Azetidinone sulfinic acids from cephalosporin sulfones

Details Azetidinone sulfinic acids from cephalosporin sulfones Azetidinone sulfinic acids from cephalosporin sulfones

1983-07-22

1985-05-07

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602454, 544 17, C07D20508, C07D50114, C07D40312

Patent

active

045157197

ABSTRACT:
3-Exomethylene cepham sulfones are converted to azetidinone sulfinic acids by reaction with activated zinc, magnesium, activated magnesium or amalgamated magnesium and a protonic acid.

REFERENCES:
patent: 4159266 (1979-06-01), Kukolja
patent: 4368156 (1983-01-01), Spitzer et al.
C. M. Pant and R. J. Stoodley, J.C.S. Perkin I., 1978, pp. 1366-1369.
U.S. application Ser. No. 442,075 filed 11/16/82, David A. Hall.

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