JPH01500667A - セファロスポリン中間生成物の新規安定な結晶形 - Google Patents
セファロスポリン中間生成物の新規安定な結晶形Info
- Publication number
- JPH01500667A JPH01500667A JP62505355A JP50535587A JPH01500667A JP H01500667 A JPH01500667 A JP H01500667A JP 62505355 A JP62505355 A JP 62505355A JP 50535587 A JP50535587 A JP 50535587A JP H01500667 A JPH01500667 A JP H01500667A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- compound represented
- amino
- cephem
- thiazolyl
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000543 intermediate Substances 0.000 title description 7
- 229930186147 Cephalosporin Natural products 0.000 title description 3
- 229940124587 cephalosporin Drugs 0.000 title description 3
- 150000001780 cephalosporins Chemical class 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims description 39
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000002904 solvent Substances 0.000 claims description 20
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 14
- -1 aliphatic alcohols Chemical class 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 7
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 7
- 239000011541 reaction mixture Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000002083 X-ray spectrum Methods 0.000 claims description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- KRTGQDGIPNXUGP-ZLQBWVSZSA-N (6r,7r)-7-[[(2z)-2-(2-amino-1,3-thiazol-4-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Chemical compound S([C@@H]1[C@@H](C(N1C=1C([O-])=O)=O)NC(=O)\C(=N/OC(C)(C)C(=O)OC(C)(C)C)C=2N=C(N)SC=2)CC=1C[N+]1=CC=CC=C1 KRTGQDGIPNXUGP-ZLQBWVSZSA-N 0.000 claims 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims 1
- 150000008282 halocarbons Chemical class 0.000 claims 1
- 239000011877 solvent mixture Substances 0.000 claims 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000008346 aqueous phase Substances 0.000 description 6
- ORFOPKXBNMVMKC-DWVKKRMSSA-N ceftazidime Chemical compound S([C@@H]1[C@@H](C(N1C=1C([O-])=O)=O)NC(=O)\C(=N/OC(C)(C)C(O)=O)C=2N=C(N)SC=2)CC=1C[N+]1=CC=CC=C1 ORFOPKXBNMVMKC-DWVKKRMSSA-N 0.000 description 5
- 229960000484 ceftazidime Drugs 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 150000007970 thio esters Chemical class 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 125000006239 protecting group Chemical group 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OKHUDYOUNFDWEI-BGERDNNASA-N (2s)-2-amino-1-(2-diphenoxyphosphorylpyrrolidin-1-yl)-3-(1h-imidazol-5-yl)propan-1-one Chemical compound C([C@H](N)C(=O)N1C(CCC1)P(=O)(OC=1C=CC=CC=1)OC=1C=CC=CC=1)C1=CN=CN1 OKHUDYOUNFDWEI-BGERDNNASA-N 0.000 description 1
- RDOAUPPSCNSYPM-UHFFFAOYSA-N 3,4-dihydropyridine Chemical compound C1CC=NC=C1 RDOAUPPSCNSYPM-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- 241000108056 Monas Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 241000589516 Pseudomonas Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- IOJUPLGTWVMSFF-UHFFFAOYSA-N cyclobenzothiazole Natural products C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- UTSOXZIZVGUTCF-UHFFFAOYSA-N hydrate;hydroiodide Chemical compound O.I UTSOXZIZVGUTCF-UHFFFAOYSA-N 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000001907 polarising light microscopy Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- KOUKXHPPRFNWPP-UHFFFAOYSA-N pyrazine-2,5-dicarboxylic acid;hydrate Chemical compound O.OC(=O)C1=CN=C(C(O)=O)C=N1 KOUKXHPPRFNWPP-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001984 thiazolidinyl group Chemical group 0.000 description 1
- DBODNPMIIRVQGW-UHFFFAOYSA-N trihydrate;dihydrochloride Chemical compound O.O.O.Cl.Cl DBODNPMIIRVQGW-UHFFFAOYSA-N 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D501/14—Compounds having a nitrogen atom directly attached in position 7
- C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
- C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
- C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
- C07D501/38—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof
- C07D501/46—Methylene radicals, substituted by nitrogen atoms; Lactams thereof with the 2-carboxyl group; Methylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atom; Quaternary compounds thereof with the 7-amino radical acylated by carboxylic acids containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 (1)X線スペクトル α(Å)I 17.0w 15.5m 5.9w 5.0w 4.15ww=低位 3.84wn=中位 3.3w を有している式 ▲数式、化学式、表等があります▼(I)で示される(6R,7R)−7−[[ 2−(2−アミノ−4−チアゾリル)−(Z)−2−(1−第3級プトキシカル ボニル−1−メチルエトキシ)−イミノ]アセトアミド〕−3−(1−ピリジニ ウムメチル)−3−セフェム−4−カルボキシレートの新規結晶性、安定形(α −形)。 (2)式 ▲数式、化学式、表等があります▼(II)で示される化合物のシン形を式 ▲数式、化学式、表等があります▼(III)[ここで、HXは有機または無機 酸を意味し、LMは水または有機溶媒を意味し、nおよびmは0、1または2で ある。]で示される化合物と所望により塩基を加えて反応させることによる、式 (I)で式される(6R,7R)−7−[[2−(2−アミノ−4−チアゾリル )−(Z)−2−(1−第3級プトキシカルボニル−1−メチルエトキシ)イミ ノ〕アセトアミド]−3−(1−ピリジニウムメチル)−3−セフェム−4−カ ルボキシレートの新規結晶性、安定形(α−形)の製造方法であって、反応を式 (I)で示される化合物溶解の溶解性が小さい溶媒または溶媒混合物、たとえば ハロゲン化炭化水素、低級脂肪族カルボン酸エステル、低級脂肪族アルコール、 ジメチルホルムアミドもしくはジメチルスルホキシドまたはこれらの溶媒の混合 物中で実施し、反応直後、式(I)で示される化合物を反応混合物から津過する ことを特徴とする方法。 (3)用いる溶媒が、一方が低級脂肪族アルコール、ジメチルホルムアミドまた はジメチルスルホキシド、他方が芳香族炭化水素、アセトンまたはアセトニトリ ルの混合物でありうることを特徴とする請求の範囲2記載の方法。 (4)ジクロロメタンおよびメタノールの混合物を用いることを特徴とする請求 の範囲2記載の方法。 (5)X線スペクトル α(Å)I 22.0m 10.0w 8.5m 7.3w 6.7m 5.9md 5.6m 5.3wd 4.2w 3.94ww:低位 3.82wm:中位 3.7wd:拡散 3.3w を有している式(I)で示される(6R.7R)−7−[[2−(2−アミノ− 4−チアゾリル)−(Z)−2−(1−第3級プトキシカルボニル−1−メチル エトキシ)イミノ]−アセトアミド]−3−(1−ピリジニウムメチル)−3− セフェム−4−カルボキシレート(セフタジジム−t−ブチルエステル)の新規 結晶性、安定形(β−形)。 (6)式(I)で示される化合物をpH3.5−7,5で水性溶液から晶出させ ることを特徴とする請求の範囲5記載の式(I)で示される化合物の新規結晶性 、安定形(β−形)の製造方法。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0242786A AT387779B (de) | 1986-09-10 | 1986-09-10 | Verfahren zur herstellung einer neuen kristallinen, stabilen form des syn-isomeren des (6r,7r)-7-((2-(2-amino-4-thiazolyl)-(z)-2-(1-te t.butoxycarbonyl-1-methylethoxy)imino)acetamido -3- (1-pyridiniummethyl)-3-cephem-4-carboxylats |
| AT242886A AT387389B (de) | 1986-09-10 | 1986-09-10 | Verfahren zur herstellung einer neuen kristallinen, stabilen form des syn-isomeren des (6r, 7r)-7-((2-(2-amino-4-thiazolyl)-(z)-2(1-tert.butoxycarbonyl-1-methylethoxy)imino) |
| AT2428/86 | 1986-09-10 | ||
| AT2427/86 | 1986-09-10 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8005639A Division JP2572563B2 (ja) | 1986-09-10 | 1996-01-17 | セファロスポリン中間生成物の新規安定な結晶形 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01500667A true JPH01500667A (ja) | 1989-03-09 |
| JP2539872B2 JP2539872B2 (ja) | 1996-10-02 |
Family
ID=25598434
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62505355A Expired - Lifetime JP2539872B2 (ja) | 1986-09-10 | 1987-09-09 | セファロスポリン中間生成物の新規安定な結晶形 |
| JP8005639A Expired - Lifetime JP2572563B2 (ja) | 1986-09-10 | 1996-01-17 | セファロスポリン中間生成物の新規安定な結晶形 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8005639A Expired - Lifetime JP2572563B2 (ja) | 1986-09-10 | 1996-01-17 | セファロスポリン中間生成物の新規安定な結晶形 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0282531B1 (ja) |
| JP (2) | JP2539872B2 (ja) |
| KR (1) | KR950010085B1 (ja) |
| DE (1) | DE3778346D1 (ja) |
| HK (1) | HK78195A (ja) |
| WO (1) | WO1988002001A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2646576B1 (fr) * | 1989-04-28 | 1991-07-05 | France Etat | Systeme d'emission-reception pour la transmission d'images couleur animees et du son a partir de canaux independants |
| US5831085A (en) * | 1997-01-16 | 1998-11-03 | Lupin Laboratories Limited | Process for manufacture of cephalosporin such as ceftazidime and intermediate thereof |
| CN105646541B (zh) * | 2015-12-30 | 2018-01-30 | 广东金城金素制药有限公司 | 一种原研制品质头孢他啶及其药物制剂 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR228726A1 (es) * | 1978-05-26 | 1983-04-15 | Glaxo Group Ltd | Procedimiento para la preparacion del antibiotico(6r,7r)-7-((z)-2-(2-aminotiazol-4-il)-2-(2-carboxiprop-2-oxiimino)acetamido)-3-(1-piridiniometil)cef-3-em-4-carboxilato |
| EP0185679B1 (de) * | 1984-04-10 | 1991-08-28 | BIOCHEMIE Gesellschaft m.b.H. | Cephalosporinzwischenprodukte, verfahren zu ihrer herstellung und ihre verwendung |
| CA1236089A (en) * | 1984-06-25 | 1988-05-03 | Perry C. Heath | Ceftazidime |
-
1987
- 1987-09-09 KR KR1019880700504A patent/KR950010085B1/ko not_active Expired - Lifetime
- 1987-09-09 DE DE8787905949T patent/DE3778346D1/de not_active Expired - Lifetime
- 1987-09-09 WO PCT/EP1987/000510 patent/WO1988002001A1/de not_active Ceased
- 1987-09-09 EP EP87905949A patent/EP0282531B1/de not_active Expired - Lifetime
- 1987-09-09 JP JP62505355A patent/JP2539872B2/ja not_active Expired - Lifetime
-
1995
- 1995-05-18 HK HK78195A patent/HK78195A/xx not_active IP Right Cessation
-
1996
- 1996-01-17 JP JP8005639A patent/JP2572563B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| HK78195A (en) | 1995-05-26 |
| KR880701722A (ko) | 1988-11-04 |
| JPH08225578A (ja) | 1996-09-03 |
| WO1988002001A1 (fr) | 1988-03-24 |
| EP0282531B1 (de) | 1992-04-15 |
| EP0282531A1 (de) | 1988-09-21 |
| JP2572563B2 (ja) | 1997-01-16 |
| JP2539872B2 (ja) | 1996-10-02 |
| DE3778346D1 (de) | 1992-05-21 |
| KR950010085B1 (ko) | 1995-09-06 |
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