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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Application filed by Imperial Chemical Industries LtdfiledCriticalImperial Chemical Industries Ltd
Application grantedgrantedCritical
Publication of FR1210789ApublicationCriticalpatent/FR1210789A/fr
C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
C07D499/04—Preparation
C07D499/18—Separation; Purification
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR1210789D1957-06-261958-06-26Procédé de fabrication d'acide de phénoxyméthylpénicilline
ExpiredFR1210789A
(fr)