4-thio azetidinone intermediates and process for the preparation

Details 4-thio azetidinone intermediates and process for the preparation 4-thio azetidinone intermediates and process for the preparation

1986-05-15

1987-08-25

Berch, Mark L.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

540354, 540357, 540359, 204 78, C07D20508, C07D40312, C07F 965

Patent

active

046894110

ABSTRACT:
This invention provides azetidinone derivatives represented by the formula ##STR1## and processes for preparing the same. The azetidinone derivatives are used as the intermediates for producing cephalosporin compounds useful as antibiotic agents.

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Karady et al., Tet. Letters 1976, p. 2401.
Yazawa et al., Tet. Letters 1974, 3991.
Koppel et al., JACS 99, 2822-2833.

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