SU345686A1 - - Google Patents

Info

Publication number
SU345686A1
SU345686A1 SU1342775A SU1342775A SU345686A1 SU 345686 A1 SU345686 A1 SU 345686A1 SU 1342775 A SU1342775 A SU 1342775A SU 1342775 A SU1342775 A SU 1342775A SU 345686 A1 SU345686 A1 SU 345686A1
Authority
SU
USSR - Soviet Union
Prior art keywords
acid
cyclohexadienyl
amino
mmol
solution
Prior art date
Application number
SU1342775A
Other languages
English (en)
Russian (ru)
Inventor
Джозеф Е. Долфини Джорджес Бах Джек Бернштейн Фрэнк Вейсенборн
штаты Америки Соединенные
Инкорпорейтед Ииостранна фирма Сквибб энд Санз
Publication of SU345686A1 publication Critical patent/SU345686A1/ru

Links

SU1342775A SU345686A1 (fi)

Publications (1)

Publication Number Publication Date
SU345686A1 true SU345686A1 (fi)

Family

ID=

Similar Documents

Publication Publication Date Title
US3976680A (en) Production of an ester of one enantiomer of an α-amino acid in the form of a salt with an optically active acid
US3963702A (en) Phthalide penicillin ester intermediates
EP0019345B1 (en) Process for the preparation of a (d-alpha-amino-(p-hydroxyphenyl)-acetamido) group containing cephalosporanic acid derivatives
US3316247A (en) Process for the preparation of penicillins
JPH0419229B2 (fi)
SU345686A1 (fi)
EP1173444B1 (en) Crystalline beta-lactam intermediate
US3720664A (en) Alpha-ureidocyclohexadienylalkylene-penicillins
US4304717A (en) Process for the preparation of reactive penicillanic acid and cephalosporanic acid derivatives
US4171303A (en) Process for the preparation of reactive penicillanic acid and cephalosporanic acid derivatives
US4059573A (en) Extraction of N-blocked amino acids from aqueous media
SU625614A3 (ru) Способ получени гетацефалексина
US3821208A (en) Recovery of cephalosporin c and derivatives thereof
US4659812A (en) Cephalosporin intermediates
KR830001969B1 (ko) 6―{D―(―) α-(4―에틸-2. 3-디옥소-1 피페라지노카보닐아미노) 페닐(또는 하이드록시페닐)아세트아미도 페니실란산 및 그 염의 제조방법
SU593660A3 (ru) Способ получени производных замещенной -аминооксигидроксамоновой кислоты
US3983109A (en) Process for recovering cephalosporin C from A fermentation broth as the N-(p-nitrobenzoyl) derivative
US4237280A (en) Intermediate for cephalosporin type compound
SU553935A3 (ru) Способ получени производных 6-аминопенциллановой кислоты или их солей
US3720665A (en) Acyloxymethyl esters of alpha-preidocyclo-hexadienylalkylene-penicillins
US4310460A (en) Process for the production of 6-D-α-amino-p-hydroxyphenylacetamido penicillanic acid
US4366098A (en) Process for preparing aminopenicillins
KR830002722B1 (ko) 세파로스포린 유도체의 제조방법
JPH0780890B2 (ja) 6−〔D(−)−α−(4−エチル−2,3−ジオキソピペラジン−1−イルカルボニルアミノ)−α−フェニルアセトアミド〕−ペニシラン酸の製法
US3780088A (en) Alpha-ureidocyclohexadienylalkylene carboxylic acids