7-OXO-4-THIA-1-AZABICYCLO(3,2,0)HEPTANE DERIVATIVES

Compounds of the formula la and their tautomers Ibin which formulae R represents a carboxyl esterifying group are described, as well as processes and intermediates for their manufacture. la and Ib are valuable starting materials for the preparation of various derivatives substituted at position 3 th...

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Bibliographische Detailangaben
Hauptverfasser: BARRY CLIVE ROSS, GRAHAM JOHNSON
Format: Patent
Sprache:eng
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