Azetidinone-4-disulfides as intermediates for thia-aza compounds

Details Azetidinone-4-disulfides as intermediates for thia-aza compounds Azetidinone-4-disulfides as intermediates for thia-aza compounds

1982-09-24

1985-05-21

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20508, C07D40312, C07D48704

Patent

active

045185336

ABSTRACT:
2-Penem-3-carboxylic acid compounds of the formula ##STR1## in which R.sub.1 represents hydrogen, an organic radical bonded by a carbon atom to the ring carbon atom or an etherified mercapto group and

REFERENCES:
patent: 4070477 (1978-01-01), Ernest et al.
patent: 4435321 (1984-03-01), Kamiya
D. Ninno, J. Amer. Chem. Soc., 100, 3251(1978).
J. Ellms, "Recent Advances in the Chemistry of B-Lactam Antibiotics", Special Publication No. 28, The Chemical Society, London, pp. 167-180.

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