Process for preparing azetidinone derivatives

Details Process for preparing azetidinone derivatives Process for preparing azetidinone derivatives

1984-01-03

1986-01-28

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603309, C07D20508, C07D40512

Patent

active

045669961

ABSTRACT:
A process for preparing an azetidinone derivative represented by the formula (1) ##STR1## wherein R.sup.1 represents a substituted or unsubstituted aryl group, a substituted or unsubstituted phenylmethyl group or a substituted or unsubstituted phenoxymethyl group, R.sup.2 represents a hydrogen atom or a group for protecting carboxylic acid and Ar represents a substituted or unsubstituted phenyl group, the process comprising reacting a thiazolineazetidinone derivative represented by the formula (2) ##STR2## wherein R.sup.1 and R.sup.2 are as defined above with a sulfonyl bromide represented by the formula (3)

REFERENCES:
patent: 4319027 (1982-03-01), Woodward
patent: 4332722 (1982-06-01), Tsuji et al.
Sedelmeier et al., Chem. Abs. 98, 197883t.

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