ZA834495B - Epimerization of malonic acid esters - Google Patents
Epimerization of malonic acid estersInfo
- Publication number
- ZA834495B ZA834495B ZA834495A ZA834495A ZA834495B ZA 834495 B ZA834495 B ZA 834495B ZA 834495 A ZA834495 A ZA 834495A ZA 834495 A ZA834495 A ZA 834495A ZA 834495 B ZA834495 B ZA 834495B
- Authority
- ZA
- South Africa
- Prior art keywords
- epimerization
- acid esters
- malonic acid
- malonic
- esters
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D505/00—Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. oxacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Cephalosporin Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57116048A JPS597193A (ja) | 1982-07-02 | 1982-07-02 | マロニルメチル基の異性化方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA834495B true ZA834495B (en) | 1984-07-25 |
Family
ID=14677411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA834495A ZA834495B (en) | 1982-07-02 | 1983-06-20 | Epimerization of malonic acid esters |
Country Status (30)
Country | Link |
---|---|
US (1) | US4504658A (ja) |
EP (1) | EP0098545B1 (ja) |
JP (1) | JPS597193A (ja) |
KR (1) | KR890000812B1 (ja) |
AR (1) | AR242391A1 (ja) |
AT (1) | ATE19401T1 (ja) |
AU (1) | AU564850B2 (ja) |
BG (1) | BG37526A3 (ja) |
CA (1) | CA1192193A (ja) |
CS (1) | CS244940B2 (ja) |
DD (1) | DD210052A5 (ja) |
DE (2) | DE98545T1 (ja) |
DK (1) | DK160502C (ja) |
EG (1) | EG16539A (ja) |
ES (1) | ES8500954A1 (ja) |
FI (1) | FI832407L (ja) |
GB (1) | GB2124217B (ja) |
GR (1) | GR78620B (ja) |
HU (1) | HU187944B (ja) |
IE (1) | IE55767B1 (ja) |
IL (1) | IL69146A (ja) |
NO (1) | NO832387L (ja) |
NZ (1) | NZ204627A (ja) |
PH (1) | PH21139A (ja) |
PL (1) | PL141782B1 (ja) |
PT (1) | PT76973B (ja) |
RO (1) | RO86355B (ja) |
SU (1) | SU1225488A3 (ja) |
YU (1) | YU44011B (ja) |
ZA (1) | ZA834495B (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60123490A (ja) * | 1983-12-07 | 1985-07-02 | Shionogi & Co Ltd | マロニルオキサセフェムカルボン酸誘導体 |
US4998060A (en) * | 1989-07-12 | 1991-03-05 | Pacific Scientific Company | Fault indicator with hot stick clamping mechanism |
JP2006028154A (ja) * | 2004-06-14 | 2006-02-02 | Sumitomo Chemical Co Ltd | 光学活性化合物の製造方法 |
CN102260280A (zh) * | 2010-05-28 | 2011-11-30 | 上海医药工业研究院 | 拉氧头孢钠的制备方法 |
US9828324B2 (en) | 2010-10-20 | 2017-11-28 | Sirrus, Inc. | Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom |
US10414839B2 (en) | 2010-10-20 | 2019-09-17 | Sirrus, Inc. | Polymers including a methylene beta-ketoester and products formed therefrom |
US9249265B1 (en) | 2014-09-08 | 2016-02-02 | Sirrus, Inc. | Emulsion polymers including one or more 1,1-disubstituted alkene compounds, emulsion methods, and polymer compositions |
CN103502198B (zh) | 2010-10-20 | 2016-07-06 | 瑟拉斯公司 | 在传热剂存在下使用快速回收合成亚甲基丙二酸酯 |
US9279022B1 (en) | 2014-09-08 | 2016-03-08 | Sirrus, Inc. | Solution polymers including one or more 1,1-disubstituted alkene compounds, solution polymerization methods, and polymer compositions |
EP3517523A1 (en) | 2011-10-19 | 2019-07-31 | Sirrus, Inc. | Multifunctional monomers and methods for making them |
EP2831125B1 (en) | 2012-03-30 | 2016-10-05 | Sirrus, Inc. | Methods for activating polymerizable compositions, polymerizable systems, and products formed thereby |
CA2869112A1 (en) | 2012-03-30 | 2013-10-03 | Bioformix Inc. | Composite and laminate articles and polymerizable systems for producing the same |
WO2013149173A1 (en) | 2012-03-30 | 2013-10-03 | Bioformix Inc. | Ink and coating formulations and polymerizable systems for producing the same |
US10047192B2 (en) | 2012-06-01 | 2018-08-14 | Sirrus, Inc. | Optical material and articles formed therefrom |
WO2014078689A1 (en) | 2012-11-16 | 2014-05-22 | Bioformix Inc. | Plastics bonding systems and methods |
US10607910B2 (en) | 2012-11-30 | 2020-03-31 | Sirrus, Inc. | Composite compositions for electronics applications |
CN110204441A (zh) | 2013-01-11 | 2019-09-06 | 瑟拉斯公司 | 经过双(羟甲基)丙二酸酯的途径获得亚甲基丙二酸酯的方法 |
US9416091B1 (en) | 2015-02-04 | 2016-08-16 | Sirrus, Inc. | Catalytic transesterification of ester compounds with groups reactive under transesterification conditions |
US9315597B2 (en) | 2014-09-08 | 2016-04-19 | Sirrus, Inc. | Compositions containing 1,1-disubstituted alkene compounds for preparing polymers having enhanced glass transition temperatures |
US10501400B2 (en) | 2015-02-04 | 2019-12-10 | Sirrus, Inc. | Heterogeneous catalytic transesterification of ester compounds with groups reactive under transesterification conditions |
US9334430B1 (en) | 2015-05-29 | 2016-05-10 | Sirrus, Inc. | Encapsulated polymerization initiators, polymerization systems and methods using the same |
US9217098B1 (en) | 2015-06-01 | 2015-12-22 | Sirrus, Inc. | Electroinitiated polymerization of compositions having a 1,1-disubstituted alkene compound |
US9518001B1 (en) | 2016-05-13 | 2016-12-13 | Sirrus, Inc. | High purity 1,1-dicarbonyl substituted-1-alkenes and methods for their preparation |
US10428177B2 (en) | 2016-06-03 | 2019-10-01 | Sirrus, Inc. | Water absorbing or water soluble polymers, intermediate compounds, and methods thereof |
US10196481B2 (en) | 2016-06-03 | 2019-02-05 | Sirrus, Inc. | Polymer and other compounds functionalized with terminal 1,1-disubstituted alkene monomer(s) and methods thereof |
US9617377B1 (en) | 2016-06-03 | 2017-04-11 | Sirrus, Inc. | Polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes |
US9567475B1 (en) | 2016-06-03 | 2017-02-14 | Sirrus, Inc. | Coatings containing polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes |
KR102115644B1 (ko) * | 2017-09-13 | 2020-05-27 | 주식회사 동도물산 | 7α-알콕시옥사세펨 중간체의 제조방법 |
CN112480147A (zh) * | 2019-09-12 | 2021-03-12 | 杭州森泽医药科技有限公司 | 一种拉氧头孢中间体溶剂化物及其制备方法和表征 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3719667A (en) * | 1970-08-24 | 1973-03-06 | Lilly Co Eli | Epimerization of 6-acylamido and 6-imido penicillin sulfoxide esters |
US4167630A (en) * | 1975-12-24 | 1979-09-11 | Merck & Co., Inc. | Process for epimerizing beta-lactam antibiotic compounds, and related products |
CA1085392A (en) * | 1976-03-25 | 1980-09-09 | Masayuki Narisada | Arylmalonamido-1-oxadethiacephalosporins |
US4234596A (en) * | 1976-11-19 | 1980-11-18 | Merck & Co., Inc. | 3-(2-Aminoethylthio)-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid |
US4259485A (en) * | 1979-04-24 | 1981-03-31 | Eli Lilly And Company | Crystallization process |
US4252953A (en) * | 1979-05-01 | 1981-02-24 | Eli Lilly And Company | Antibiotic crystalline epimer |
US4320055A (en) * | 1980-04-07 | 1982-03-16 | Eli Lilly And Company | Process for penicillin epimerization |
JPS5711909A (en) * | 1980-06-23 | 1982-01-21 | Shionogi & Co Ltd | Stable freeze-dried preparation of beta-lactam |
-
1982
- 1982-07-02 JP JP57116048A patent/JPS597193A/ja active Granted
-
1983
- 1983-06-14 US US06/504,287 patent/US4504658A/en not_active Expired - Lifetime
- 1983-06-17 NZ NZ204627A patent/NZ204627A/en unknown
- 1983-06-20 ZA ZA834495A patent/ZA834495B/xx unknown
- 1983-06-20 GR GR71721A patent/GR78620B/el unknown
- 1983-06-28 CA CA000431350A patent/CA1192193A/en not_active Expired
- 1983-06-29 GB GB08317634A patent/GB2124217B/en not_active Expired
- 1983-06-29 IE IE1527/83A patent/IE55767B1/en not_active IP Right Cessation
- 1983-06-29 RO RO111456A patent/RO86355B/ro unknown
- 1983-06-30 BG BG061551A patent/BG37526A3/xx unknown
- 1983-06-30 AR AR83293493A patent/AR242391A1/es active
- 1983-06-30 PH PH29144A patent/PH21139A/en unknown
- 1983-06-30 NO NO832387A patent/NO832387L/no unknown
- 1983-06-30 KR KR1019830002960A patent/KR890000812B1/ko not_active IP Right Cessation
- 1983-06-30 HU HU832380A patent/HU187944B/hu not_active IP Right Cessation
- 1983-06-30 FI FI832407A patent/FI832407L/fi not_active Application Discontinuation
- 1983-07-01 DK DK304983A patent/DK160502C/da not_active IP Right Cessation
- 1983-07-01 EP EP83106437A patent/EP0098545B1/en not_active Expired
- 1983-07-01 ES ES523774A patent/ES8500954A1/es not_active Expired
- 1983-07-01 PL PL1983242776A patent/PL141782B1/pl unknown
- 1983-07-01 AT AT83106437T patent/ATE19401T1/de not_active IP Right Cessation
- 1983-07-01 AU AU16496/83A patent/AU564850B2/en not_active Ceased
- 1983-07-01 PT PT76973A patent/PT76973B/pt unknown
- 1983-07-01 DD DD83252667A patent/DD210052A5/de unknown
- 1983-07-01 DE DE198383106437T patent/DE98545T1/de active Pending
- 1983-07-01 SU SU833613971A patent/SU1225488A3/ru active
- 1983-07-01 YU YU1445/83A patent/YU44011B/xx unknown
- 1983-07-01 DE DE8383106437T patent/DE3363161D1/de not_active Expired
- 1983-07-02 EG EG406/83A patent/EG16539A/xx active
- 1983-07-03 IL IL69146A patent/IL69146A/xx not_active IP Right Cessation
- 1983-07-04 CS CS835036A patent/CS244940B2/cs unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3363161D1 (en) | Epimerization of malonic acid esters | |
GB8516185D0 (en) | Esters of acrylic acid | |
DE3365701D1 (en) | Preparation of esters | |
PT69412A (en) | 17 -thiocarboxylic acid esters of 4-halo-3-oxoandrost-4-enes | |
JPS5726645A (en) | Manufacture of carbonic acid ester | |
JPS56167641A (en) | Manufacture of carbonic acid ester | |
GB2102415B (en) | Apovincaminic acid esters | |
GB2104507B (en) | 3-methylflavone-8-carboxylic acid esters | |
IL65309A0 (en) | Preparation of penicillanic acid esters | |
DE3562245D1 (en) | Esters of 2-bromo-4-methylimidazole-5-carboxylic acid | |
GB8516184D0 (en) | Esters of acrylic acid | |
GB2110208B (en) | Vincaminic acid esters | |
SG34387G (en) | Esters of 2-carbamoyloxymethyl-6-hydroxyethyl-2-penem-3-carboxylic acid | |
IL66413A0 (en) | Preparation of alpha-hydroxyphophonic acid esters | |
GB8504116D0 (en) | Preparation of acid esters | |
JPS5770853A (en) | Manufacture of carbamic acid ester | |
IL63720A0 (en) | Preparation of apovincaminic acid esters | |
JPS57136550A (en) | Manufacture of 6-dialkylresorcylic acid ester | |
IL64071A0 (en) | Preparation of chloro-fluoro-alkenyl-substituted cyclopropane-carboxylic acid esters | |
JPS56158752A (en) | Manufacture of methylene-bis-phenylcarbamic acid ester and polymethylene-polyphenylcarbamic acid ester | |
JPS579743A (en) | Manufacture of methaphenoxybenzoic acid and ester | |
MY8600399A (en) | Esters of substituted hydroxymethylpyrazines | |
EP0177641A3 (en) | Manufacture of butanedicarboxylic acid esters | |
ZA844109B (en) | Esters of 2-bromo-4-methylimidazole-5-carboxylic acid | |
GB8328140D0 (en) | Preparation of esters |