Process for the preparation of dichloroisonitrilocarboxylic acid

Details Process for the preparation of dichloroisonitrilocarboxylic acid Process for the preparation of dichloroisonitrilocarboxylic acid

1985-09-12

1987-03-24

Shippen, Michael L.

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

Organic compounds

Carboxylic acid esters

548253, C07C11918

Patent

active

046526714

ABSTRACT:
It is suggested to produce 5-chloro-1H-tetrazolecarboxylic acid esters by reaction of dichloroisonitriloacetic acid esters with alkali or metal azides or ammonium azide.
The dichloroisonitriloacetic acid esters required for this purpose are formed by reacting N-formylaminocarboxylic acid esters with chlorine or with compounds which split off chlorine.

REFERENCES:
Kuhle, Agnew. Chem. Internat. Edit., 6, pp. 649-665, (1967).

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