CY1671A - A process for the preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-acetic acid and its dihydrochloride - Google Patents

A process for the preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-acetic acid and its dihydrochloride Download PDF

Info

Publication number: CY1671A
Authority: CY; Cyprus
Prior art keywords: chlorophenyl; formula; phenylmethyl; ethoxy; piperazinyl
Prior art date: 1988-11-23

Application number

CY1671A

Other languages

English (en)

Original Assignee

Ucb Sa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-11-23

Filing date

1993-05-14

Publication date

1993-05-14

1993-05-14 Application filed by Ucb Sa filed Critical Ucb Sa

1993-05-14 Publication of CY1671A publication Critical patent/CY1671A/en

Links

238000000034 method Methods 0.000 title claims description 21
238000002360 preparation method Methods 0.000 title claims description 8
ZKLPARSLTMPFCP-UHFFFAOYSA-N Cetirizine Chemical compound C1CN(CCOCC(=O)O)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 ZKLPARSLTMPFCP-UHFFFAOYSA-N 0.000 title claims description 7
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 25
125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 24
239000002253 acid Substances 0.000 claims description 23
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
239000011541 reaction mixture Substances 0.000 claims description 17
125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 15
239000000203 mixture Substances 0.000 claims description 14
QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Substances CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 10
230000007062 hydrolysis Effects 0.000 claims description 9
238000006460 hydrolysis reaction Methods 0.000 claims description 9
SBAKHIDRFYZRKO-UHFFFAOYSA-N 2-[2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetonitrile Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)N1CCN(CCOCC#N)CC1 SBAKHIDRFYZRKO-UHFFFAOYSA-N 0.000 claims description 6
238000006243 chemical reaction Methods 0.000 claims description 4
239000003960 organic solvent Substances 0.000 claims description 4
238000010992 reflux Methods 0.000 claims description 4
230000001476 alcoholic effect Effects 0.000 claims description 3
229910001516 alkali metal iodide Inorganic materials 0.000 claims description 2
239000002585 base Substances 0.000 claims description 2
125000005843 halogen group Chemical group 0.000 claims description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
239000003513 alkali Substances 0.000 claims 1
229910052751 metal Inorganic materials 0.000 claims 1
239000002184 metal Substances 0.000 claims 1
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
238000003756 stirring Methods 0.000 description 9
239000002609 medium Substances 0.000 description 8
239000000243 solution Substances 0.000 description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
-1 4-chlorophenvl Chemical class 0.000 description 6
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 6
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
238000003786 synthesis reaction Methods 0.000 description 6
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 5
238000004458 analytical method Methods 0.000 description 5
125000000068 chlorophenyl group Chemical group 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
150000002825 nitriles Chemical class 0.000 description 5
YZGQDNOIGFBYKF-UHFFFAOYSA-N Ethoxyacetic acid Chemical compound CCOCC(O)=O YZGQDNOIGFBYKF-UHFFFAOYSA-N 0.000 description 4
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
239000012074 organic phase Substances 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
GQFCLJZQECVTDO-UHFFFAOYSA-N 2-(2-chloroethoxy)acetonitrile Chemical compound ClCCOCC#N GQFCLJZQECVTDO-UHFFFAOYSA-N 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
229960001803 cetirizine Drugs 0.000 description 3
239000013078 crystal Substances 0.000 description 3
238000002425 crystallisation Methods 0.000 description 3
230000008025 crystallization Effects 0.000 description 3
238000000354 decomposition reaction Methods 0.000 description 3
238000004128 high performance liquid chromatography Methods 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
239000002904 solvent Substances 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
PGLIUCLTXOYQMV-UHFFFAOYSA-N Cetirizine hydrochloride Chemical compound Cl.Cl.C1CN(CCOCC(=O)O)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 PGLIUCLTXOYQMV-UHFFFAOYSA-N 0.000 description 2
FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
230000005526 G1 to G0 transition Effects 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
238000001035 drying Methods 0.000 description 2
150000007529 inorganic bases Chemical class 0.000 description 2
229910052943 magnesium sulfate Inorganic materials 0.000 description 2
235000019341 magnesium sulphate Nutrition 0.000 description 2
150000007522 mineralic acids Chemical class 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
206010010744 Conjunctivitis allergic Diseases 0.000 description 1
208000003251 Pruritus Diseases 0.000 description 1
206010039085 Rhinitis allergic Diseases 0.000 description 1
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
208000024780 Urticaria Diseases 0.000 description 1
238000005903 acid hydrolysis reaction Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
150000008041 alkali metal carbonates Chemical class 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
208000002205 allergic conjunctivitis Diseases 0.000 description 1
230000000172 allergic effect Effects 0.000 description 1
201000010105 allergic rhinitis Diseases 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
208000024998 atopic conjunctivitis Diseases 0.000 description 1
208000010668 atopic eczema Diseases 0.000 description 1
230000001684 chronic effect Effects 0.000 description 1
238000000113 differential scanning calorimetry Methods 0.000 description 1
239000003814 drug Substances 0.000 description 1
238000001914 filtration Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
FEWJPZIEWOKRBE-LWMBPPNESA-N levotartaric acid Chemical compound OC(=O)[C@@H](O)[C@H](O)C(O)=O FEWJPZIEWOKRBE-LWMBPPNESA-N 0.000 description 1
RDFIZBYHUOHTQI-UHFFFAOYSA-N methyl 2-(2-chloroethoxy)acetate Chemical compound COC(=O)COCCCl RDFIZBYHUOHTQI-UHFFFAOYSA-N 0.000 description 1
BYCHNMFDSQCCDD-UHFFFAOYSA-N methyl 2-[2-[4-[(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetate Chemical compound C1CN(CCOCC(=O)OC)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 BYCHNMFDSQCCDD-UHFFFAOYSA-N 0.000 description 1
150000004702 methyl esters Chemical class 0.000 description 1
238000011017 operating method Methods 0.000 description 1
230000020477 pH reduction Effects 0.000 description 1
125000004193 piperazinyl group Chemical group 0.000 description 1
XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
208000011580 syndromic disease Diseases 0.000 description 1
235000002906 tartaric acid Nutrition 0.000 description 1
239000011975 tartaric acid Substances 0.000 description 1
229940095064 tartrate Drugs 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CY1671A 1988-11-23 1993-05-14 A process for the preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-acetic acid and its dihydrochloride CY1671A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB888827391A GB8827391D0 (en)	1988-11-23	1988-11-23	Process for preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-pipera-zinyl)ethoxy)-acetic acid & its dihydrochloride

Publications (1)

Publication Number	Publication Date
CY1671A true CY1671A (en)	1993-05-14

Family

ID=10647347

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CY1671A CY1671A (en)	1988-11-23	1993-05-14	A process for the preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-acetic acid and its dihydrochloride

Country Status (16)

Country	Link
KR (1)	KR970009728B1 (pl)
AT (1)	AT398971B (pl)
CA (1)	CA1317300C (pl)
CY (1)	CY1671A (pl)
DK (1)	DK174543B1 (pl)
ES (1)	ES2021907A6 (pl)
FI (1)	FI91862C (pl)
GB (2)	GB8827391D0 (pl)
GR (1)	GR1000553B (pl)
HK (1)	HK95892A (pl)
HU (1)	HU205094B (pl)
NO (1)	NO172342C (pl)
PH (1)	PH25982A (pl)
PL (1)	PL161379B1 (pl)
PT (1)	PT92364B (pl)
SG (1)	SG89492G (pl)

Families Citing this family (38)

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ES2128556T3 (es) *	1992-09-24	1999-05-16	Sepracor Inc	Tratamiento transdermico de la urticaria usando (+)-cetirizina opticamente pura.
AU703690B2 (en) *	1992-09-24	1999-04-01	Sepracor, Inc.	Methods for treating allergic disorders using optically pure (+)cetirizine
ES2122042T3 (es) *	1992-09-24	1998-12-16	Sepracor Inc	Tratamiento de rinitis alergica y asma que emplea (-)cetirizina.
GB9305282D0 (en) *	1993-03-15	1993-05-05	Ucb Sa	Enantiomers of 1-(4-chlorophenyl)phenylmethyl)-4-(4-methylphenyl)sulphonyl)piperazine
US6469009B1 (en)	1996-04-08	2002-10-22	Ucb, S.A.	Pharmaceutical compositions for the treatment of rhinitis
BE1010094A3 (fr) *	1996-04-10	1997-12-02	Ucb Sa	Nouveaux [2-(1-piperazinyl)ethoxy] methyle substitues.
BE1010095A3 (fr) *	1996-04-10	1997-12-02	Ucb Sa	Procede de preparation de l'acide 2-[2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl] ethoxy]-acetique et de ses sels.
JP3476475B2 (ja)	1997-06-04	2003-12-10	株式会社アズウェル	ピペラジンスルホンアミド誘導体およびその塩の製造方法
EP0919550A1 (en) *	1997-11-26	1999-06-02	Ucb, S.A.	Pseudopolymorphic forms of 2-2-4-bis(4-fluorophenyl)methyl-1-piperazinyl-ethoxy acetic acid dihydrochloride
IL124195A (en) *	1998-04-23	2000-08-31	Chemagis Ltd	Process for the preparation of esters of 2-¬4-¬4-chlorophenyl¾phenylmethyl¾-1-piperazinyl¬ethoxy¾acetic acid
GR990100135A (el) *	1999-04-22	2000-12-29	Genepharm �.�.	Μεθοδος παρασκευης του 2-(2-[4-[4-χλωροφαινυλο)(φαινυλο)μεθυλο]πιπεραζινο]αιθοξυ) οξικου οξεος και του διυδροχλωρικου αλατος αυτου
JP2002249487A (ja)	2001-02-22	2002-09-06	Sumitomo Chem Co Ltd	４−（ｔｅｒｔ−ブトキシカルボニル）ピペラジン誘導体、その光学活性な酸付加塩、それらの製造法、およびそれらを用いる光学活性な１−［（置換フェニル）フェニルメチル］ピペラジンの製造法。
US6977301B1 (en)	2001-05-29	2005-12-20	Ucb, S.A.	Process for preparing (S) and (R)—2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide
US7199241B1 (en)	2001-05-29	2007-04-03	Ucb, S.A.	Process for preparing (S) and (R)-2-[4-(4-chlorobenzhydryl)piperazin-1-yl]-ethoxyacetamide
US7381821B2 (en)	2003-01-23	2008-06-03	Ucb, S.A.	Piperazine derivatives and their use as synthesis intermediates
KR100503443B1 (ko)	2004-02-02	2005-07-22	한림제약(주)	광학적으로 활성인 세티리진 또는 그의 염의 제조방법
AU2006222298B2 (en) *	2005-03-03	2011-02-24	Ucb Farchim Sa	Pyroglutamate salts and their use in the optical resolution of intermediates for the synthesis of dextrocetirizine and levocetirizine
HU227325B1 (en) *	2005-12-08	2011-03-28	Egis Gyogyszergyar Nyrt	Process for the production of an intermediate of (dextro- and levo)- cetirizine
US8049011B2 (en)	2007-03-12	2011-11-01	Krka, Tovarna Zdravil, D.D., Novo Mesto	Process for the preparation of levocetirizine and intermediates thereof
SI22489A (sl) *	2007-03-12	2008-10-31	Krka, Tovarna Zdravil, D.D., Novo Mesto	Nov postopek za pripravo levocetirizina in njegovih intermediatov
WO2008152650A1 (en)	2007-06-15	2008-12-18	Symed Labs Limited	Process for preparation of substantially optically pure levorotatory and dextrorotatory enantiomers of cetirizine using novel intermediates
WO2009062036A2 (en) *	2007-11-09	2009-05-14	Dr. Reddy's Laboratories Ltd.	Processes for preparing levocetirizine and pharmaceutically acceptable salts thereof
US7989623B2 (en)	2007-11-21	2011-08-02	Synthon Bv	Process for making n-(diphenylmethyl)piperazines
ES2361343T3 (es)	2007-11-21	2011-06-16	Synthon B.V.	Procedimiento para obtener n-(difenilmetil)piperazinas.
WO2009147389A2 (en)	2008-06-02	2009-12-10	Cipla Limited	Processes for the synthesis of levocetirizine and intermediates for use therein
WO2009150147A1 (en) *	2008-06-11	2009-12-17	Krka, Tovarna Zdravil, D.D., Novo Mesto	New process for the preparation of levocetirizine and intermediates thereof
KR100998067B1 (ko)	2008-09-08	2010-12-03	주식회사 삼오제약	비스(1-[(4-클로로페닐)페닐메틸]피페라진)-2,3-디벤조일 타르타르산 신규 중간체 염 및 이를 이용한 광학 활성적으로 순수한 1-[(4-클로로페닐)페닐메틸]피페라진을 분리하는 분리방법
WO2010046908A2 (en)	2008-09-17	2010-04-29	Calyx Chemicals And Pharmaceuticals Pvt. Ltd.	Novel water based process for the preparation of substituted diphenylmethyl piperazines
WO2010107404A1 (en)	2009-03-16	2010-09-23	Mahmut Bilgic	Stable pharmaceutical combinations
TR201007652A2 (tr)	2010-09-20	2012-04-24	Bi̇lgi̇ç Mahmut	Sinerjik etki.
TR201009398A2 (tr)	2010-11-11	2012-05-21	Bi̇lgi̇ç Mahmut	Fiziksel özellikleri geliştirilmiş tablet formülasyonları
WO2012101475A1 (en)	2011-01-27	2012-08-02	Jubilant Life Sciences Limited	An improved process for the preparation of antihistaminic drugs via a novel carbamate intermediate
CN103044355A (zh) *	2011-10-13	2013-04-17	湖南九典制药有限公司	合成左西替利嗪的关键中间体及其制备方法
KR101418404B1 (ko)	2012-01-06	2014-07-10	한미약품 주식회사	레보세티리진 또는 이의 약학적으로 허용가능한 염 및 몬테루카스트 또는 이의 약학적으로 허용가능한 염을 함유하는 안정한 경구투여용 약학 제제
KR102226833B1 (ko)	2013-06-28	2021-03-12	한미약품 주식회사	레보세티리진 및 몬테루카스트를 포함하는 안정성이 개선된 복합 과립 제형
CN104045607B (zh) *	2014-05-21	2016-04-13	丽珠医药集团股份有限公司	一种盐酸西替利嗪的纯化方法
CN105924409B (zh) *	2016-05-12	2019-01-08	浙江永宁药业股份有限公司	一种(r)-1-((2-氯苯基)-(苯基)-甲基)-哌嗪的拆分方法
CN111205247B (zh) *	2020-04-22	2020-08-14	湖南九典宏阳制药有限公司	左旋西替利嗪的制备方法

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI75816C (fi) *	1981-02-06	1988-08-08	Ucb Sa	Foerfarande foer framstaellning av terapeutiskt aktiv 2-/4-(difenylmetyl)-1-piperazinyl/-aettiksyror eller dess amid.

1988
- 1988-11-23 GB GB888827391A patent/GB8827391D0/en active Pending
1989
- 1989-09-29 CA CA000614709A patent/CA1317300C/en not_active Expired - Fee Related
- 1989-11-20 GR GR890100770A patent/GR1000553B/el not_active IP Right Cessation
- 1989-11-21 PT PT92364A patent/PT92364B/pt not_active IP Right Cessation
- 1989-11-21 GB GB8926243A patent/GB2225321B/en not_active Expired - Lifetime
- 1989-11-22 DK DK198905867A patent/DK174543B1/da not_active IP Right Cessation
- 1989-11-22 ES ES8903975A patent/ES2021907A6/es not_active Expired - Lifetime
- 1989-11-22 HU HU896131A patent/HU205094B/hu not_active IP Right Cessation
- 1989-11-22 AT AT0266589A patent/AT398971B/de not_active IP Right Cessation
- 1989-11-22 NO NO894651A patent/NO172342C/no not_active IP Right Cessation
- 1989-11-22 PL PL1989282410A patent/PL161379B1/pl unknown
- 1989-11-22 FI FI895564A patent/FI91862C/fi not_active IP Right Cessation
- 1989-11-23 PH PH39570A patent/PH25982A/en unknown
- 1989-11-23 KR KR1019890017040A patent/KR970009728B1/ko not_active Expired - Fee Related
1992
- 1992-09-05 SG SG894/92A patent/SG89492G/en unknown
- 1992-12-03 HK HK958/92A patent/HK95892A/xx not_active IP Right Cessation
1993
- 1993-05-14 CY CY1671A patent/CY1671A/en unknown

Also Published As

Publication number	Publication date
FI91862C (fi)	1994-08-25
GB2225321A (en)	1990-05-30
PT92364B (pt)	1995-07-18
GB2225321B (en)	1992-04-08
ATA266589A (de)	1994-07-15
CA1317300C (en)	1993-05-04
AT398971B (de)	1995-02-27
KR900007825A (ko)	1990-06-02
HUT53627A (en)	1990-11-28
NO894651D0 (no)	1989-11-22
HK95892A (en)	1992-12-11
GB8926243D0 (en)	1990-01-10
DK586789D0 (da)	1989-11-22
FI91862B (fi)	1994-05-13
NO172342C (no)	1993-07-07
ES2021907A6 (es)	1991-11-16
HU205094B (en)	1992-03-30
NO894651L (no)	1990-05-25
NO172342B (no)	1993-03-29
FI895564A0 (fi)	1989-11-22
GR890100770A (en)	1990-12-31
KR970009728B1 (ko)	1997-06-17
PL161379B1 (pl)	1993-06-30
DK174543B1 (da)	2003-05-19
HU896131D0 (en)	1990-02-28
GB8827391D0 (en)	1988-12-29
SG89492G (en)	1992-12-04
DK586789A (da)	1990-05-24
PH25982A (en)	1992-01-13
PT92364A (pt)	1990-05-31
GR1000553B (el)	1992-08-26

Publication	Publication Date	Title
CY1671A (en)	1993-05-14	A process for the preparation of 2-(2-(4-((4-chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)-acetic acid and its dihydrochloride
FI69839B (fi)	1985-12-31	Foerfarande foer framstaellning av terapeutiskt aktiva difenylmetoxialkylpiperazinderivat
EP0395313B1 (en)	1999-12-15	Tertiary alkyl functionalized piperazine derivatives
CA2467118A1 (en)	2003-07-03	Aryloxyphenyl and arylsulfanylphenyl derivatives
Goodson et al.	1950	Diphenylethylamines. I. The Preparation of Tertiary Amines by the Grignard Reaction1, 2
HU190827B (en)	1986-11-28	Process for preparing 2-/4/-/4,4-dialkyl-1,2,6-piperidindion-1-yl/-butyl/-1-piperazinyl/-pyridines
FI91861B (fi)	1994-05-13	Menetelmä 2-/2-/4-/(4-kloorifenyyli)fenyylimetyyli/-1-piperatsinyyli/etoksi/-etikkahapon ja sen dihydrokloridin valmistamiseksi
HU209723B (en)	1994-10-28	Process for producing of piperazine derivatives
WO1992005165A1 (en)	1992-04-02	Diphenylpiperazine derivative and drug for circulatory organ containing the same
SU545256A3 (ru)	1977-01-30	Способ получени производных изохинолина или их солей
FI86545B (fi)	1992-05-29	Foerfarande foer framstaellning av terapeutiskt verkande 1-aroyl-4-aralkylpiperaziner.
IE913669A1 (en)	1992-04-22	Piperazine derivatives
US4514408A (en)	1985-04-30	N-substituted nicotinamide 1-oxide as histamine H2 receptor blockers
CA1046515A (en)	1979-01-16	1,2-diphenylethanolamine derivatives and their salts and the preparation thereof
CA2071940A1 (en)	1992-04-20	Piperazine derivatives
SE450120B (sv)	1987-06-09	Nya dimetoxikinazolinderivat till anvendning for framstellning av 2(4-substituerade piperazin-1-yl)-4-amino-6,7-dimetoxikinazoliner
CA2000060A1 (en)	1990-04-10	Substituted aromatic compounds having an action on the central nervous system
CA2140229A1 (en)	1994-02-03	N-cycloalkylpiperazine derivatives, methods of obtaining them and pharmaceutical compositions containing them
HU192994B (en)	1987-08-28	Process for preparing 4-/3-alkynyl-oxy-2-hydroxy-propyl/-piperazin-1-y1-n-phenyl-acetamide derivatives
HU220971B1 (hu)	2002-07-29	Eljárás 0-(3-amino-2-hidroxi-propil)-hidroximsav-halogenidek előállítására
EP0301549A1 (en)	1989-02-01	1-[2-(Phenylmethyl)phenyl]-piperazine compounds, a process for preparing them and pharmaceutical compostions containing them
US4960900A (en)	1990-10-02	Oxyimino derivatives of thiazole, method of preparation and use in therapy
SU1340581A3 (ru)	1987-09-23	Способ получени производных 1-ацетиламинофенил-2-аминопропанона или их фармакалогически-активных солей
JPS6155496B2 (pl)	1986-11-28
JP2003507463A (ja)	2003-02-25	置換ピペラジン誘導体、その調製及びその薬物としての使用