Cleavage of dialkoxyketoxime

Details Cleavage of dialkoxyketoxime Cleavage of dialkoxyketoxime

1981-07-06

1983-07-12

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260453P, 260453AL, 2604654, 2604656, 548122, 560168, 560231, C07D27108

Patent

active

043932150

ABSTRACT:
Dialkoxyketoximes such as dimethoxycyclohexanone cleave with halogen and water under basic conditions to yield a series of products having an ester functionality and another functionality which is oximohalide, nitrile oxide or furoxan, depending upon the base strength and/or work-up conditions. Each of those products can be further reacted with sulfur dioxide to produce an adduct, from which an isocyanate is derived. Both the adduct and the isocyanate retain the ester functionality.

REFERENCES:
patent: 4045422 (1977-08-01), Swerdloff et al.
patent: 4140717 (1979-02-01), Oxenrider et al.
Klein et al.; Chem. Abs., vol. 90: 86809p (1979).
Oxenrider et al.; Chem. Abs., vol. 97: 5832k (1982).

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