Novel intermediates for the synthesis of cephalosporins

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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548194, C07D27746

Patent

active

047821620

ABSTRACT:
The new compounds of the formula ##STR1## in which Acyl is alkylcarbonyl optionally substituted by halogen or aryl, or arylcarbonyl, which is substituted by lower alkoxy, halogen or nitro,

REFERENCES:
patent: 4203899 (1980-05-01), Ochiai
patent: 4278793 (1981-07-01), Durckheimer et al.
Boberg et al., Chemical Abstracts, vol. 100: 174,531x, 1984.
Kinast et al., Chemical Abstracts, vol. 101: 23231u, 1985.
Sagami Chemical, Chemical Abstracts, vol. 100: 121053m, 1984.

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