Method for preparing 3-amino-5-(t-butyl)isoxazole

Details Method for preparing 3-amino-5-(t-butyl)isoxazole Method for preparing 3-amino-5-(t-butyl)isoxazole

1978-12-07

1981-03-31

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26106

Patent

active

042595010

ABSTRACT:
3-Amino-5-(t-butyl)isoxazole, in optimum yield, is prepared in a stepwise manner by reacting a lower alkyl pivalate and acetonitrile in the presence of a base to yield pivalyl acetonitrile, which in turn is allowed to react with hydroxylamine under controlled conditions of pH to yield the desired compound. The compound is a useful intermediate for the preparation of isoxazole derivatives having utility as herbicides.

REFERENCES:
patent: 3435047 (1969-03-01), Iwai
patent: 4062861 (1977-12-01), Yukimaga
Wahlberg, Ber. 65 B, 1857-1864 (1932).

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