SU1579460A3 - Способ получени замещенных 7-амино-3-окси-1-карба(1-детиа)-3-цефем-4-карбоксилата в форме цис-энантиомера - Google Patents
Способ получени замещенных 7-амино-3-окси-1-карба(1-детиа)-3-цефем-4-карбоксилата в форме цис-энантиомера Download PDFInfo
- Publication number
- SU1579460A3 SU1579460A3 SU874202676A SU4202676A SU1579460A3 SU 1579460 A3 SU1579460 A3 SU 1579460A3 SU 874202676 A SU874202676 A SU 874202676A SU 4202676 A SU4202676 A SU 4202676A SU 1579460 A3 SU1579460 A3 SU 1579460A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- amino
- carba
- cephem
- carboxylate
- cis
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/085—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/08—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D263/16—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D263/18—Oxygen atoms
- C07D263/20—Oxygen atoms attached in position 2
- C07D263/22—Oxygen atoms attached in position 2 with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to other ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
- C07D463/10—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
- C07D463/14—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with hetero atoms directly attached in position 7
- C07D463/16—Nitrogen atoms
- C07D463/18—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof
- C07D463/20—Nitrogen atoms further acylated by radicals derived from carboxylic acids or by nitrogen or sulfur analogues thereof with the acylating radicals further substituted by hetero atoms or by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Изобретение касаетс гетероциклических веществ, в частности получени замещенных 7-амино-3-окси-1-карба(1-детиа)-3-цефем-4-карбоксилатов (в форме цис-энантиомеров) общей ф-лы R 1C(O)-NH→CH-C(O)-N-C←CH 2-CH 2-C(OH)=C-C(O)-OR 2, где R 1 - C 1 - C 4-алкокси или феноксиметил
R 2 - трет-бутил или N-нитробензилгруппа, в качестве полупродуктов дл синтеза β-лактамовых антибиотиков. Цель - создание новых полупродуктов указанного назначени . Синтез ведут реакцией гексаметилдисилазанлити с соединением общей ф-лы R 1-C(O)-NH→CH-C(O)-N[CH 2-C(O)-OR 2-CH←CH 2-CH 2-C(O)-S-C 6H 5, где R 1 и R 2 - см.выше.
Description
Изобретение относитс к получению новых замещенных 7-амино-3-окси-1-кар- ба (1-детиа)-3-цефем-4-карбоксилата общей формулы
RiCONH.,
COOR
где R4 С(-С43лкокси или феноксиметил;
RZ -трет.бутил- или пара-нитробен- зилгруппа, в форме цис-энантомера, которые могут быть использованы в качестве промежуточных продуктов в синтезе И -лактамовых антибиотиков.
Р
Целью изобретени вл етс разработка способа получени новых соединений , использование которых в ка- честпе промежуточных продуктов позвол ет значительно упростить синтез -лактамовых антибиотиков.
П р им ер. Трет. GVTHTT- /3-трет.- бутилоксикарбониламино-3-окси-1-кар- ба()-3-цефем-4-карбоксилат.
К раствору 4,4 г (9,47 ммоль) 1- -трет-бутилоксикарбонил-метил-3 |3- -трет.бутилоксикарбониламнно-43-(2- -фенил иокарбонилэтил) азетидин-2-она в 100 -ш сухого тетрагидрофурана добавл ли в aTMorr iepe аргогга при -78 С 29,3 мл (3,12 ммоль) гeкcn leтилдиcисл
4j
ы
31
лазанлити . Примерно через 15 мин смесь выпивали в 750 мл водного раст вора хлористого аммони (50% от насы щений) и устанавливали рН смеси равным 3 с помощью 1 н. сол ной кислоты Подкисленную смесь трижды подвергали экстракции хлористым метиленом порци ми по 50 мл. Объединенные экстракты промывали рассолом, высушивали над сульфатом натри и концентрировали путем упаривани . Концентраты подвер
гали хроматографии на двуокиси крем .
ни с использованием в качестве элю- ента смеси гексана и этилацетата в объемном соотношении 1:1. Элюат упаривали досуха, получа в ревультате целевое соединение.
Вычислено, %: С 57,61; Н 7,39; N 7,90.
CnHe6N4Oe
Найдено, %: N 7,69.
Масс-спектр:
ИК-спектр и-лактамкарбонил: 1768 .
Аналогично получен п-нитробензиль- ный эфир 7 и-феноксиацетиламино-3- -гидрокси-1-карба(детиа)-3-цефем-4- -карбоновой кислоты.
Вычислено, %: С 59,10; Н 4,53; N 8,99.
С 57,42; Н 7,18; М4 354.
СгэНг,Ы,08
Найдено, %: С 59,10; N 8,96.
Н 4,47;
579460
Масс-спектр (десорбци полем): М-1 467.
УФ-спектр:у макс 275 нм; б 17,034;
,c269 нм; 6 .
ИК-спектр:А -лактамкарбонил:
1766 смЧ
Claims (1)
- Формула изобретениСпособ получени замещенных 7-ами- но-3-окси-1-карба(1-детиа)-3-цефем- -4-карбоксилата общей формулыR,CONHvСООВггде R(- С(-С -алкокси или феноксиметил;R - трет-бутил- и пара-нитробен- зилгруппа, в форме цис-эн-антиомера, отличающийс тем, что со- единение общей формулыRiCONH«. CH2CH2COS-(QCH2-COORa|где R { и Kg. имеют указанные знач«- 1 ни ,подвергают взаимодействию с гексаметилдисилазанпитиеМоРедактор А. ДолиничСоставитель И. БочароваТехред Л.Олийнык Корректор М. СамборскаЗаказ 1925Тираж 317ВНИИПИ Государственного комитета по изобретени м и открыти м при ГКНТ СССР 113035, Москва, Ж-35, Раушска наб., д. 4/5Подписное
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/755,982 US4665171A (en) | 1985-07-17 | 1985-07-17 | Process and intermediates for β-lactam antibiotics |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1579460A3 true SU1579460A3 (ru) | 1990-07-15 |
Family
ID=25041514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU874202676A SU1579460A3 (ru) | 1985-07-17 | 1987-06-05 | Способ получени замещенных 7-амино-3-окси-1-карба(1-детиа)-3-цефем-4-карбоксилата в форме цис-энантиомера |
Country Status (22)
Country | Link |
---|---|
US (1) | US4665171A (ru) |
EP (2) | EP0209352B1 (ru) |
JP (2) | JPH0762015B2 (ru) |
KR (1) | KR900005257B1 (ru) |
CN (1) | CN1015178B (ru) |
AR (1) | AR243186A1 (ru) |
AT (2) | ATE63118T1 (ru) |
AU (2) | AU595216B2 (ru) |
CA (1) | CA1310323C (ru) |
DE (2) | DE3650474T2 (ru) |
DK (2) | DK173456B1 (ru) |
ES (2) | ES2000516A6 (ru) |
GR (1) | GR861857B (ru) |
HK (1) | HK1007140A1 (ru) |
HU (2) | HU906465D0 (ru) |
IE (1) | IE58997B1 (ru) |
IL (1) | IL79420A (ru) |
NZ (1) | NZ216871A (ru) |
PT (1) | PT82989B (ru) |
RU (1) | RU1794079C (ru) |
SU (1) | SU1579460A3 (ru) |
ZA (1) | ZA865274B (ru) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870169A (en) * | 1985-07-17 | 1989-09-26 | President And Fellows Of Harvard College | Intermediates for beta-lactam antibiotics |
US4673737A (en) * | 1985-08-02 | 1987-06-16 | Harvard University | 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof |
US4734498A (en) * | 1986-07-10 | 1988-03-29 | Eli Lilly And Company | 3β-succinimidoazetidinones as chiral intermediates |
CA1323370C (en) * | 1986-09-12 | 1993-10-19 | Davis H. Crater | Fluorochemical oxazolidinones |
US4782144A (en) * | 1987-09-14 | 1988-11-01 | Eli Lilly And Company | 1-carba(dethia)-3-hydroxy-3-cephem ester crystalline and crystalline solvate thereof |
US5019571A (en) * | 1988-01-25 | 1991-05-28 | Eli Lilly And Company | 1-carbacephalosporin antibiotics |
US4820832A (en) * | 1988-03-23 | 1989-04-11 | Eli Lilly And Company | Process for preparing 3-unsubstituted cephalosporins and 1-carba(dethia)cephalosporins |
US4855418A (en) | 1988-03-23 | 1989-08-08 | Eli Lilly And Company | Process for production of ceophalosporins |
EP0345998A1 (en) * | 1988-06-06 | 1989-12-13 | Eli Lilly And Company | Process and intermediates for beta-lactam antibiotics |
EP0345999A1 (en) * | 1988-06-06 | 1989-12-13 | Eli Lilly And Company | Process for intermediates to 1-carba(1-dethia)-3-cephem-4-carboxylic acids |
US4885362A (en) * | 1988-06-06 | 1989-12-05 | Eli Lilly And Company | Azetidinone intermediates for 1-carba(dethia)caphalosporins |
DE68914888T2 (de) * | 1988-06-22 | 1994-09-15 | Lilly Co Eli | Zwischenprodukt für 1-Carba(dethia)cephalosporin. |
KR0169096B1 (ko) * | 1988-10-11 | 1999-01-15 | 리로이 휘테커 | 카바세팔로스포린의 아제티디논 중간체 화합물 및 제조방법 |
US5453503A (en) * | 1988-10-11 | 1995-09-26 | Eli Lilly And Company | Azetidinone intermediates to carbacephalosporins and process |
US4931557A (en) * | 1988-10-17 | 1990-06-05 | Eli Lilly And Company | Method of resolving cis 3-amino-4-(2-furyl)vinyl)-1-methoxycarbonylmethyl-azetidin-2-one and di-p-toluoyl-tartaric acid salts thereof |
US4931556A (en) * | 1988-10-17 | 1990-06-05 | Eli Lilly And Company | Method of resolving cis 3-amino-4-(2-(2-furyl)eth-1-yl)-methoxycarbonylmethyl-azetidin-2-one and malic acid salts thereof |
JPH02252648A (ja) * | 1989-03-27 | 1990-10-11 | Naomi Iwagou | イオン溶出燒結体 |
US5106475A (en) * | 1989-09-20 | 1992-04-21 | Eli Lilly And Company | Process for preparing 4-substituted azetidinones |
US4992545A (en) * | 1989-09-20 | 1991-02-12 | Eli Lilly And Company | Process for preparing 4-substituted azetidinones |
US5030725A (en) * | 1990-02-06 | 1991-07-09 | Eli Lilly And Company | Method of resolving cis 3-amino-4-[2-(2-furyl)eth-1-yl]-1-methoxycarbonylmethyl-azetidin-2-one using (-)-DAG |
US5051502A (en) * | 1990-06-06 | 1991-09-24 | University Of Notre Dame Du Lac | Rhodium catalyzed cyclization process for bicyclic β-lactams |
EP0479431B1 (en) * | 1990-09-13 | 1999-12-08 | Eli Lilly And Company | Intermediates to 1-carbacephalosporins and process for preparation thereof |
US5089610A (en) * | 1991-04-25 | 1992-02-18 | Eli Lilly And Company | Ring-closure method for 1-carbacephalosporin six-membered ring |
US5521307A (en) * | 1992-02-18 | 1996-05-28 | Eli Lilly And Company | Methods and compounds for the preparation of carbacephems |
ATE305781T1 (de) | 1996-02-23 | 2005-10-15 | Lilly Co Eli | Non-peptidische vasopressin via antagonisten |
JP2002535680A (ja) | 1999-01-27 | 2002-10-22 | ファルマシア・アンド・アップジョン・カンパニー | 延長因子p活性モジュレーターのアッセイ方法 |
JP4916929B2 (ja) * | 2007-03-23 | 2012-04-18 | ヤマハ発動機株式会社 | 直交型ロボット |
WO2009049238A1 (en) | 2007-10-11 | 2009-04-16 | The Regents Of The University Of California | Compositions and methods of inhibiting n-acylethanolamine-hydrolyzing acid amidase |
US9376424B2 (en) | 2010-07-01 | 2016-06-28 | Azevan Pharmaceuticals, Inc. | Methods for treating post traumatic stress disorder |
WO2014144836A2 (en) * | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Carbamate derivatives of lactam based n-acylethanolamine acid amidase (naaa) inhibitors |
WO2014144547A2 (en) | 2013-03-15 | 2014-09-18 | The Regents Of The University Of California | Amide derivatives of lactam based n-acylethanolamine acid amidase (naaa) inhibitors |
JP7255967B2 (ja) | 2014-03-28 | 2023-04-11 | アゼヴァン ファーマスーティカルズ,インコーポレイテッド | 神経変性疾患を治療するための組成物および方法 |
US20190321363A1 (en) * | 2016-06-20 | 2019-10-24 | Dr. Reddy's Laboratories Limited | Process for the preparation of elagolix sodium and its polymorph |
CN112500361B (zh) * | 2020-12-27 | 2023-05-12 | 甘肃瀚聚药业有限公司 | 一种(s)-4-苯基-2-恶唑烷酮的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226866A (en) * | 1972-11-06 | 1980-10-07 | Merck & Co., Inc. | Novel antibiotic analogues of cephalosporins |
US4166816A (en) * | 1975-05-05 | 1979-09-04 | Smithkline Corporation | Methods and intermediates for preparing cis-4-oxoazetidine intermediates |
US4200572A (en) * | 1975-09-03 | 1980-04-29 | Smithkline Corporation | Substituted azetidinones |
ZA766941B (en) * | 1975-11-21 | 1978-06-28 | Merck & Co Inc | 3-(substituted thio)cephalosporins,derivatives and nuclear analogues thereof |
US4174316A (en) * | 1978-08-14 | 1979-11-13 | Merck & Co., Inc. | 4-Iodomethylazetidin-2-one |
US4472576A (en) * | 1982-12-03 | 1984-09-18 | Merck & Co., Inc. | Processes for the production of antibiotic 1-oxadethiacephalosporins |
US4502994A (en) | 1982-12-09 | 1985-03-05 | Hoffmann-La Roche Inc. | Enantiomeric synthesis of 3-amino-4-carbamoyloxymethyl-2-azetidonone-1-sulfate |
US4751299A (en) * | 1983-11-18 | 1988-06-14 | Takeda Chemical Industries, Ltd. | Optically active β-lactams and method of their production |
US4673737A (en) | 1985-08-02 | 1987-06-16 | Harvard University | 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof |
-
1985
- 1985-07-17 US US06/755,982 patent/US4665171A/en not_active Expired - Fee Related
-
1986
- 1986-07-15 IL IL79420A patent/IL79420A/xx not_active IP Right Cessation
- 1986-07-15 HU HU906465A patent/HU906465D0/hu unknown
- 1986-07-15 ZA ZA865274A patent/ZA865274B/xx unknown
- 1986-07-15 PT PT82989A patent/PT82989B/pt not_active IP Right Cessation
- 1986-07-15 EP EP86305424A patent/EP0209352B1/en not_active Expired - Lifetime
- 1986-07-15 AT AT86305424T patent/ATE63118T1/de not_active IP Right Cessation
- 1986-07-15 DK DK198603356A patent/DK173456B1/da not_active IP Right Cessation
- 1986-07-15 AU AU60166/86A patent/AU595216B2/en not_active Expired
- 1986-07-15 HU HU862911A patent/HU201931B/hu not_active IP Right Cessation
- 1986-07-15 DE DE3650474T patent/DE3650474T2/de not_active Expired - Fee Related
- 1986-07-15 DE DE8686305424T patent/DE3679002D1/de not_active Expired - Lifetime
- 1986-07-15 RU SU864027832A patent/RU1794079C/ru active
- 1986-07-15 EP EP89120951A patent/EP0362902B1/en not_active Expired - Lifetime
- 1986-07-15 AT AT89120951T patent/ATE133172T1/de not_active IP Right Cessation
- 1986-07-16 KR KR1019860005753A patent/KR900005257B1/ko not_active IP Right Cessation
- 1986-07-16 ES ES8600341A patent/ES2000516A6/es not_active Expired
- 1986-07-16 CA CA000513971A patent/CA1310323C/en not_active Expired - Lifetime
- 1986-07-16 JP JP61168982A patent/JPH0762015B2/ja not_active Expired - Lifetime
- 1986-07-16 CN CN86104783A patent/CN1015178B/zh not_active Expired
- 1986-07-16 GR GR861857A patent/GR861857B/el unknown
- 1986-07-16 IE IE190086A patent/IE58997B1/en not_active IP Right Cessation
- 1986-07-16 NZ NZ216871A patent/NZ216871A/xx unknown
- 1986-07-17 AR AR86304531A patent/AR243186A1/es active
-
1987
- 1987-06-05 SU SU874202676A patent/SU1579460A3/ru active
- 1987-12-31 ES ES8703788A patent/ES2005752A6/es not_active Expired
-
1990
- 1990-01-12 AU AU47934/90A patent/AU619938B2/en not_active Ceased
-
1994
- 1994-12-21 JP JP6318486A patent/JP2634775B2/ja not_active Expired - Lifetime
-
1996
- 1996-02-15 DK DK016096A patent/DK16096A/da not_active Application Discontinuation
-
1998
- 1998-06-22 HK HK98105920A patent/HK1007140A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
Европейский патент № 0014476, кл. С 07 U 471/04, 1980. * |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU1579460A3 (ru) | Способ получени замещенных 7-амино-3-окси-1-карба(1-детиа)-3-цефем-4-карбоксилата в форме цис-энантиомера | |
KR860000343B1 (ko) | 클라불란산 및 약제학적으로 허용되는 그의 염을 제조하는 방법 | |
JP5184465B2 (ja) | クラブラン酸カリウムの製造方法 | |
SU629880A3 (ru) | Способ получени 7-д-(-)-2формилокси-2-(4ацилоксифенилацетамидо)-цефалоспорановых кислот или их солей | |
HU201932B (en) | Process for producing 1-carba-(1-dethia)-cefem-4-carboxylic acid derivatives | |
SK61684A3 (en) | D-2-aminoacyl-3-(z)-propenyl cephalosporine derivatives, a method of preparation and pharmaceutical compositions containing the same | |
SU923365A3 (ru) | Способ получени простановых производных или их солей | |
JPH02304049A (ja) | R(+)―アミノカルニチンおよびs(―)―アミノカルニチンの製造方法 | |
DE2360620C2 (de) | Verfahren zur Herstellung von lactolartigen Cephalosporinen | |
ITMI991120A1 (it) | Processo per la sintesi di derivati beta-lattamici | |
FI57418C (fi) | Foerfarande foer framstaellning av antibiotikumet 6-acylamido-6-substituerad-penicillansyra | |
US4847287A (en) | Pure enantiomers of 4,5-disubstituted gamma-butyrolactams, and their use as antiamnestic agents | |
US4159272A (en) | Process for 2-chlorosulfinylazetidin-4-ones | |
SU878198A3 (ru) | Способ получени 17-оксиспартеина | |
CH644865A5 (de) | Cephalosporinderivate, verfahren zu ihrer herstellung und ihre verwendung als zwischenprodukte. | |
DE2436772C2 (de) | Verfahren zur Extraktion von N-blockierten Cephalosporin- oder Penicillinverbindungen aus deren wäßrigen Lösungen | |
KR830001969B1 (ko) | 6―{D―(―) α-(4―에틸-2. 3-디옥소-1 피페라지노카보닐아미노) 페닐(또는 하이드록시페닐)아세트아미도 페니실란산 및 그 염의 제조방법 | |
JP4209022B2 (ja) | イソシアノ酢酸アルキルエステル類の製造法 | |
US4446069A (en) | Process for the preparation of β-lactam antibiotics | |
Calheiros et al. | Acyloxymethyl as a drug protecting group. Synthesis and reactivity of N-acyloxymethylsulfonamide prodrugs | |
KR100202279B1 (ko) | 세푸록심 에스테르 유도체의 제조방법 | |
DE2456528C2 (de) | Verfahren zur Herstellung von Cephalosporinen | |
JPS6135193B2 (ru) | ||
JPH04211088A (ja) | 7−アミノ−3−メトキシメチル−セフ−3−エム−4−カルボン酸の製法 | |
CH617437A5 (ru) |