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Publication of BE857320ApublicationCriticalpatent/BE857320A/en
C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
C07D501/14—Compounds having a nitrogen atom directly attached in position 7
C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
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Organic Chemistry
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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BE179780A1976-07-291977-07-29
DERIVATIVES OF CEPHEME, THEIR PROCESS OF PREPARATION AND THEIR ENTHERAPEUTIC APPLICATION
BE857320A
(en)
1,3-DIHYDRO-1'-DIMETHYLPHOSPHOSPHINYLALKYL-3-PHENYLSPIRO (ISOBENZOFURANNE-CYCLOAZALCANES) DERIVATIVES, THEIR PREPARATION PROCESS AND THEIR APPLICATION