ATE203538T1 - Verfahren und zwischenprodukte zur asymmetrischen synthese von camptothecin und camptothecin- analogen - Google Patents

Verfahren und zwischenprodukte zur asymmetrischen synthese von camptothecin und camptothecin- analogen

Info

Publication number: ATE203538T1
Authority: AT; Austria
Prior art keywords: alkyl; camptothecin; intermediate products; asymmetric synthesis; analogue
Prior art date: 1992-06-18

Application number

AT93910758T

Other languages

English (en)

Inventor

Daniel L Comins

Matthew F Baevsky

Original Assignee

Univ North Carolina State

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.)

1992-06-18

Filing date

1993-04-23

Publication date

2001-08-15

1993-04-23 Application filed by Univ North Carolina State filed Critical Univ North Carolina State

2001-08-15 Application granted granted Critical

2001-08-15 Publication of ATE203538T1 publication Critical patent/ATE203538T1/de

Links

VSJKWCGYPAHWDS-FQEVSTJZSA-N camptothecin Chemical compound C1=CC=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 VSJKWCGYPAHWDS-FQEVSTJZSA-N 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
KLWPJMFMVPTNCC-UHFFFAOYSA-N Camptothecin Natural products CCC1(O)C(=O)OCC2=C1C=C3C4Nc5ccccc5C=C4CN3C2=O KLWPJMFMVPTNCC-UHFFFAOYSA-N 0.000 title abstract 2
229940127093 camptothecin Drugs 0.000 title abstract 2
VSJKWCGYPAHWDS-UHFFFAOYSA-N dl-camptothecin Natural products C1=CC=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)C5(O)CC)C4=NC2=C1 VSJKWCGYPAHWDS-UHFFFAOYSA-N 0.000 title abstract 2
238000011914 asymmetric synthesis Methods 0.000 title 1
239000013067 intermediate product Substances 0.000 title 1
125000000217 alkyl group Chemical group 0.000 abstract 7
RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 abstract 2
150000001875 compounds Chemical class 0.000 abstract 2
125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 1
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 1
125000002877 alkyl aryl group Chemical group 0.000 abstract 1
125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 abstract 1
125000003118 aryl group Chemical group 0.000 abstract 1
DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 abstract 1
125000001624 naphthyl group Chemical group 0.000 abstract 1
125000005561 phenanthryl group Chemical group 0.000 abstract 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/18—Halogen atoms or nitro radicals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/20—Oxygen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/20—Oxygen atoms
- C07D215/22—Oxygen atoms attached in position 2 or 4
- C07D215/233—Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 4
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/20—Oxygen atoms
- C07D215/24—Oxygen atoms attached in position 8
- C07D215/26—Alcohols; Ethers thereof
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/36—Sulfur atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/38—Nitrogen atoms
- C07D215/40—Nitrogen atoms attached in position 8
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyridine Compounds (AREA)
Plural Heterocyclic Compounds (AREA)

AT93910758T 1992-06-18 1993-04-23 Verfahren und zwischenprodukte zur asymmetrischen synthese von camptothecin und camptothecin- analogen ATE203538T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/900,650 US5212317A (en)	1990-12-20	1992-06-18	Methods and intermediates for the assymmetric synthesis of camptothecin and camptothecin analogs
PCT/US1993/003839 WO1993025556A1 (en)	1992-06-18	1993-04-23	Methods and intermediates for the asymmetric synthesis of camptothecin and camptothecin analogs

Publications (1)

Publication Number	Publication Date
ATE203538T1 true ATE203538T1 (de)	2001-08-15

Family

ID=25412873

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT93910758T ATE203538T1 (de)	1992-06-18	1993-04-23	Verfahren und zwischenprodukte zur asymmetrischen synthese von camptothecin und camptothecin- analogen

Country Status (12)

Country	Link
US (1)	US5212317A (de)
EP (2)	EP1020468A3 (de)
JP (1)	JP3499554B2 (de)
AT (1)	ATE203538T1 (de)
AU (1)	AU4114293A (de)
DE (1)	DE69330496T2 (de)
DK (1)	DK0646117T3 (de)
ES (1)	ES2161716T3 (de)
GR (1)	GR3036890T3 (de)
HU (1)	HUT71411A (de)
PT (1)	PT646117E (de)
WO (1)	WO1993025556A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5428166A (en) *	1992-06-18	1995-06-27	North Carolina State University	Method of making asymmetric de ring intermediates for the synthesis of camptothecin and camptothecin analogs
US5459269A (en) *	1992-06-18	1995-10-17	North Carolina State University	14-halo-camptothecins
US5475108A (en) *	1993-08-31	1995-12-12	North Carolina State University	Camptothecin intermediates and method of making camptothecin and comptothecin analogs
US5395939A (en) *	1993-11-30	1995-03-07	North Carolina State University	Method of making asymmetric de ring intermediates for the synthesis of camptothecin and camptothecin analogs
US5491237A (en)	1994-05-03	1996-02-13	Glaxo Wellcome Inc.	Intermediates in pharmaceutical camptothecin preparation
US5496952A (en) *	1995-02-07	1996-03-05	North Carolina State University	Method of making asymmetric DE ring intermediates for the synthesis of camptothecin and camptothecin analogs
EP0835303A4 (de) *	1995-06-07	2000-09-13	Univ Jefferson	Anti-pilz agenzien und methoden zu deren identifizierung und verwendung
US6716982B2 (en)	1995-11-02	2004-04-06	Osi Pharmaceuticals, Inc.	Method for preparing camptothecin derivatives
US6559309B2 (en)	1996-11-01	2003-05-06	Osi Pharmaceuticals, Inc.	Preparation of a camptothecin derivative by intramolecular cyclisation

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3109018A (en) *	1961-06-15	1963-10-29	Chemetron Corp	Resolution of dl-menthol
US3607651A (en) *	1968-12-11	1971-09-21	Takasago Perfumery Co Ltd	Method for the biochemical isolation of l-menthol
US3943181A (en) *	1971-02-27	1976-03-09	Haarmann & Reimer Gesellschaft Mit Beschrankter Haftung	Separating optically pure d-l-isomers of menthol, neomenthol and isomenthol
JPS5251095A (en) *	1975-10-22	1977-04-23	Meito Sangyo Kk	Preparation f menthol rich in -menthol from racemic menthol
JPS54101487A (en) *	1978-01-25	1979-08-10	Nippon Terpen Kagaku Kk	Optical splitting of racemic menthol and isopregol
US4418225A (en) *	1982-01-08	1983-11-29	Uop Inc.	Resolution of d,1-menthol
US4578381A (en) *	1982-07-05	1986-03-25	Otsuka Pharmaceutical Co., Ltd.	Carbostyril derivatives
DE3511210A1 (de) *	1985-03-28	1986-10-02	Bayer Ag, 5090 Leverkusen	Verfahren zur inversion der konfiguration sekundaerer alkohole
US4916074A (en) *	1986-10-30	1990-04-10	Chisso Corporation	Process for producing optically active compounds
US5032523A (en) *	1987-01-14	1991-07-16	Lion Corporation	Preparation of optically active esters
US4894456A (en) *	1987-03-31	1990-01-16	Research Triangle Institute	Synthesis of camptothecin and analogs thereof
JP2707076B2 (ja) *	1987-05-01	1998-01-28	チッソ株式会社	光学活性化合物の製造法
DE3737335A1 (de) *	1987-11-04	1989-05-18	Basf Ag	Verfahren zur herstellung eines biokatalysators und dessen verwendung zur razematspaltung
DE3743824C2 (de) *	1987-12-23	1997-03-06	Hoechst Ag	Verfahren zur enzymatischen Racematspaltung von racemischen Alkoholen mit/in Vinylestern durch Umesterung
US4996158A (en) *	1987-12-26	1991-02-26	Junichi Oda	Optical resolution of racemic alcohols
JPH01235599A (ja) *	1988-03-16	1989-09-20	Lion Corp	ラセミアルコールの光学分割法
JPH0615547B2 (ja) *	1988-01-20	1994-03-02	株式会社ヤクルト本社	新規なカンプトテシン誘導体
US5057427A (en) *	1988-04-07	1991-10-15	Sepracor, Inc.	Method for resolution of stereoisomers
US5162532A (en) *	1990-12-20	1992-11-10	North Carolina State University	Intermediates and method of making camptothecin and camptothecin analogs

1992
- 1992-06-18 US US07/900,650 patent/US5212317A/en not_active Expired - Lifetime
1993
- 1993-04-23 AT AT93910758T patent/ATE203538T1/de not_active IP Right Cessation
- 1993-04-23 PT PT93910758T patent/PT646117E/pt unknown
- 1993-04-23 AU AU41142/93A patent/AU4114293A/en not_active Abandoned
- 1993-04-23 HU HU9403638A patent/HUT71411A/hu unknown
- 1993-04-23 ES ES93910758T patent/ES2161716T3/es not_active Expired - Lifetime
- 1993-04-23 DK DK93910758T patent/DK0646117T3/da active
- 1993-04-23 JP JP50145294A patent/JP3499554B2/ja not_active Expired - Fee Related
- 1993-04-23 WO PCT/US1993/003839 patent/WO1993025556A1/en not_active Ceased
- 1993-04-23 EP EP00107280A patent/EP1020468A3/de not_active Withdrawn
- 1993-04-23 EP EP93910758A patent/EP0646117B1/de not_active Expired - Lifetime
- 1993-04-23 DE DE69330496T patent/DE69330496T2/de not_active Expired - Fee Related
2001
- 2001-10-16 GR GR20010401760T patent/GR3036890T3/el not_active IP Right Cessation

Also Published As

Publication number	Publication date
WO1993025556A1 (en)	1993-12-23
DE69330496D1 (de)	2001-08-30
HU9403638D0 (en)	1995-02-28
EP0646117B1 (de)	2001-07-25
JPH07507795A (ja)	1995-08-31
PT646117E (pt)	2002-01-30
DK0646117T3 (da)	2001-11-12
EP1020468A2 (de)	2000-07-19
JP3499554B2 (ja)	2004-02-23
GR3036890T3 (en)	2002-01-31
EP0646117A4 (de)	1995-11-15
EP1020468A3 (de)	2000-07-26
AU4114293A (en)	1994-01-04
ES2161716T3 (es)	2001-12-16
HUT71411A (en)	1995-11-28
US5212317A (en)	1993-05-18
DE69330496T2 (de)	2002-05-29
EP0646117A1 (de)	1995-04-05

Legal Events

Date	Code	Title	Description
2001-12-15	UEP	Publication of translation of european patent specification
2010-01-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
DE69104223D1 (de)	1994-10-27	Verfahren zur herstellung von taxanderivaten, so erhaltene neue derivate und pharmazeutische zusammensetzungen, die sie enthalten.
DE69322708D1 (de)	1999-02-04	Neues Verfahren zur Herstellung von 7-(substituierten)-9-[(substistuierter Glycyl)amido]-6-demethyl-6-deoxytetracyclinen
DE69405864D1 (de)	1997-10-30	Verfahren zur Herstellung von quaternären Diestern
DE3580803D1 (de)	1991-01-17	Neue zwischenprodukte und verfahren zur herstellung von 3-acylamino-1-hydroxy-2-azetidinonen.
DE69132276D1 (de)	2000-08-03	Verfahren zur herstellung von nukleotiden
ATE203538T1 (de)	2001-08-15	Verfahren und zwischenprodukte zur asymmetrischen synthese von camptothecin und camptothecin- analogen
ES8702403A1 (es)	1987-01-01	Un procedimiento para la preparacion de nuevas n-((4-piperidinil)alquil)oxazol y tiazolaminas condensadas biciclicas sustituidas
ATE175954T1 (de)	1999-02-15	Verfahren zum herstellen von lignin-analoga und ausgangsprodukte dafür
ATE60060T1 (de)	1991-02-15	Sialosylceramide und verfahren zu deren herstellung.
ATE7690T1 (de)	1984-06-15	Zwischenprodukte zur herstellung von thienamycin und verfahren zur herstellung von zwischenprodukten.
DE69330238D1 (de)	2001-06-28	Verfahren zur Herstellung des Ectoproteins des Hepatitis-C-Virus
DE69527787D1 (de)	2002-09-19	Verfahren und zwischenprodukte zur herstellung von piperazinderivaten
DE69635057D1 (de)	2005-09-15	Verfahren zur herstellung von campothecinderivate
ATE6935T1 (de)	1984-04-15	Substituierte 2,3-dihydrobenzofurylmethylcyclopropancarbons[ure ester, verfahren zu ihrer herstellung und verfahren zur bekaempfung von schaedlingen und mittel dafuer.
ATE116322T1 (de)	1995-01-15	Kristallines cefadroxil und verfahren zu dessen herstellung.
ATE22011T1 (de)	1986-09-15	Virusimpfstoffe und verfahren zu ihrer herstellung.
EP0318029A3 (en)	1990-09-26	Cyclic amine and pharmacological composition
ATE63109T1 (de)	1991-05-15	Verfahren zur herstellung von isothiazolonen.
AT387214B (de)	1988-12-27	Verfahren zur herstellung neuer n-substituierter, estergruppen enthaltender acrylamide
ATE224393T1 (de)	2002-10-15	Verfahren zur herstellung von cephalosporinen und zwischenverbindungen in diesem verfahren
ATE2511T1 (de)	1983-03-15	Neue peptidamide und verfahren zu ihrer herstellung.
ATE56437T1 (de)	1990-09-15	Verfahren zur herstellung von 1,4dihydropyridinderivaten ueber neue zwischenprodukte.
ATE18901T1 (de)	1986-04-15	Zwischenprodukte zur herstellung von 4-phenyl-1,3-benzodiazepinen und verfahren zur herstellung dieser zwischenprodukte.
DE3871316D1 (de)	1992-06-25	Verfahren zur herstellung von 3-amino-1-benzyl-pyrrolidinen.
ATE4049T1 (de)	1983-07-15	Verfahren zum herstellen von chlorphenolen.