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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
C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
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AT84201215T1983-10-071984-08-24Ein-topfverfahren fuer herstellung von 7 betaamino- und 7 beta-acylamino-3-substituierte
ATE52782T1
(de)
Ein-Topfverfahren für Herstellung von 7 beta-amino- und 7 beta-acylamino-3-substituierte Methyl-3-cephem-4-carboxylsäure-Verbindungen und Verfahren zur Deoxygenation von 7 beta-acylamino-3-cephem-4-carboxylsäure-1-oxyd-Verbindungen
Mέ?οδος για την παρασκευή του 1-κυκλοπροπυλο-6-φ?ορο-1,4-διϋδρο-4-οξο-7κινολίνο-3-καρβοξυλικού οξέος δομικού λί?ου παρασκευής των 1-κυκλοπρόπυλο-6-φ?όρο-1,4-διϋδρο-4οξο-7-πιπεράζινο-κινολινο 3καρβοξυλικών οξέων.