SU440842A1 - - Google Patents

Info

Publication number
SU440842A1
SU440842A1 SU1783493A SU1783493A SU440842A1 SU 440842 A1 SU440842 A1 SU 440842A1 SU 1783493 A SU1783493 A SU 1783493A SU 1783493 A SU1783493 A SU 1783493A SU 440842 A1 SU440842 A1 SU 440842A1
Authority
SU
USSR - Soviet Union
Prior art keywords
acid
methyl
solution
cef
carboxylic acid
Prior art date
Application number
SU1783493A
Other languages
English (en)
Russian (ru)
Other versions
SU440842A3 (fr
Inventor
Раймонд Юрджел Лемикс
Ринтье Раап
Original Assignee
Иностранцы Раймонд Юрджел Лемикс
Канада , Ринтье Раап
Иностранна фирма Р. Энд Л. Молекулар Рисерч, ЛТД
Publication date
Application filed by Иностранцы Раймонд Юрджел Лемикс, Канада , Ринтье Раап, Иностранна фирма Р. Энд Л. Молекулар Рисерч, ЛТД filed Critical Иностранцы Раймонд Юрджел Лемикс
Application granted granted Critical
Publication of SU440842A3 publication Critical patent/SU440842A3/ru
Publication of SU440842A1 publication Critical patent/SU440842A1/ru

Links

SU1783493A 1972-05-10 SU440842A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14233771A 1971-05-11 1971-05-11
US14233871A 1971-05-11 1971-05-11

Publications (2)

Publication Number Publication Date
SU440842A3 SU440842A3 (fr) 1974-08-25
SU440842A1 true SU440842A1 (fr) 1974-08-25

Family

ID=

Similar Documents

Publication Publication Date Title
US4358588A (en) Process for preparing cephalosporanic acid compounds
US4312982A (en) α-Acylureidocephalosporins and salts and esters thereof
US3907786A (en) 7-{8 {60 -(2-aminomethyl-1,4-cyclohexadienyl)acetamido{9 -3-heterocyclic-thiomethyl-3-cephem-4-carboxylic acids and salts
EP0175814B1 (fr) Procédé pour la préparation de dérivés céphem
SU546282A3 (ru) Способ получени 7- -амино-7 метокси-цефалоспориновых эфиров
US4147863A (en) 7-D-(-)-mandelamido-3-(1-methyl-1H-tetrazol-5-yl)vinyl-3-cephem-4-carboxylic acid
US5639877A (en) Intermediates in the synthesis of cephalosporins
SU440842A1 (fr)
EP0019067B1 (fr) Acide 5,10-dioxo-5,10-dihydrodiimidazo(1,5-a,1',5'-d)pyrazine-1,6-dicarboxylique et procédé de préparation d'amides d'acide imidazoledicarboxylique
CA1236089A (fr) Ceftazidime
US3996236A (en) Methoxymethyl D-6-(2,2-dimethyl-5-oxo-4-phenyl-1-imidazolidinyl)penicillanate
US3994965A (en) D-N-(guanylureidoacetyl)-α-aminophenyl acetic acid and D-N-(guanylureidoacetyl)-α-aminophenyl acetyl chloride
EP0023045B1 (fr) Dérivés de l'acide imidazole-carboxylique de pénicillines et de céphalosporines
DE2221070C2 (de) Verfahren zur Herstellung von 7-Amino-cheph-3-em-4-carbonsäure
US4118563A (en) Production of 7-(2-aminomethylphenylacetamido-3-(1-carboxymethyltetrazol-5-ylthiomethyl)-3-cephem-4-carboxylic acid
US3910899A (en) 7-(2-Aminomethylphenyl-acetamido)-3-{8 2-(5-hydroxymethyl-1,3,4-thiadiazolyl)-thiomethyl{9 -3-cephem-4-carboxylic acid
US4351947A (en) Tetrazole derivative
US4959495A (en) Process for the preparation of intermediates used to produce aminothiazoloximino cephalosporins
US4123611A (en) N-protected amino compounds
JPS6133825B2 (fr)
US4659812A (en) Cephalosporin intermediates
US3864332A (en) Method of preparing {60 -aminobenzlpenicillin
DK156221B (da) Fremgangsmaade til fremstilling af penicillansyre- og cephalosporansyrederivater
US4244885A (en) α-Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids
US4179557A (en) Acylation of 7-aminocephalosporanic acids