Method for preparing 5-amino-1,2,4-thiadiazol acetic acid deriva

Details Method for preparing 5-amino-1,2,4-thiadiazol acetic acid deriva Method for preparing 5-amino-1,2,4-thiadiazol acetic acid deriva

1997-03-07

1998-06-30

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28508

Patent

active

057736243

ABSTRACT:
The invention provides useful intermediates as acylating agents for preparing 7-acylaminocephalosporin compounds which show excellent antimicrobial activities. More particularly, the present invention relates to a process for preparing 5-amino-1,2,4-thiadiazole acetic acid derivatives.

REFERENCES:
patent: 4107377 (1978-08-01), Tobin
patent: 4567275 (1986-01-01), Teraji
Wheeler, J. of Antibiotics 39 (1) 111, 1986.
Wheeler, W. J., et al, The Journal of Antibiotics, vol. XXXIX, No. 1, 111-120 (Jan. 1986).
Katritzky, A. R., et al, Comprehensive Heterocyclic Chemistry, vol. 6, Part 4B, p. 507, scheme 145, Pergamon Press, New York, 1965.

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