Method for producing azetidinone and cephalosporin derivatives

Details Method for producing azetidinone and cephalosporin derivatives Method for producing azetidinone and cephalosporin derivatives

1993-06-14

1995-04-11

Rizzo, Nicholas

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540219, 540230, 540358, C07D50118

Patent

active

054059550

ABSTRACT:
New compounds are disclosed having the general formulas (1) and (2): ##STR1## Also described is a process for preparing the compounds of formulas (1) and (2). Further described is a process for preparing a cephalosporin derivative having formula (5): ##STR2## by converting the compound of formula (1) to the compound of formula (2) and then converting the compound of formula (2) to the compound of formula (5).

REFERENCES:
patent: 4422971 (1983-12-01), Akkerboom
patent: 5132419 (1992-07-01), Lanz et al.
patent: 5162524 (1992-11-01), Farina et al.
patent: 5266691 (1993-11-01), Farina et al.
Tetrahepron Letters No. 47 pp. 4703-4706 (1978).

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