Dimeric ketene of 1,2,4-triazole-3-carboxylic acid

Details Dimeric ketene of 1,2,4-triazole-3-carboxylic acid Dimeric ketene of 1,2,4-triazole-3-carboxylic acid

1980-09-18

1982-01-26

Coughlan, Jr., Paul M.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

548262, 548269, C07D48714

Patent

active

043129870

ABSTRACT:
Dimeric ketene of 1,2,4-triazole-3-carboxylic acid, of the formula ##STR1## and a process for its preparation by contacting 1,2,4-triazole-3-carboxylic acid with at least an equal molar amount of an acid halide in the presence of the small amount of N,N-disubstituted carboxylic acid amide.

REFERENCES:
Takahashi et al, Chemical Abstracts, 84: 105479a (1976).

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