Allylic chlorination process

Details Allylic chlorination process Allylic chlorination process

1980-03-17

1984-02-07

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602454, C07D20508, C07D51314, C07B 900

Patent

active

044302681

ABSTRACT:
This invention provides a novel allylic chlorination process for inserting a chlorine atom on the saturated methyl group of a 3-methyl-2-but-3-enoate group on the ring nitrogen atom of a 2-azetidinone or thiazolinoazetidinone. The chloro-substituted compounds prepared thereby are novel intermediates used in preparation of cephalosporins.

REFERENCES:
patent: 3832347 (1974-08-01), Kukolja
patent: 4079181 (1978-03-01), Tsuji et al.

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