Process for halogenating .alpha.,.alpha.-dialkoxyalkyl ketoximes

Details Process for halogenating .alpha.,.alpha.-dialkoxyalkyl ketoximes Process for halogenating .alpha.,.alpha.-dialkoxyalkyl ketoximes

1977-09-02

1979-02-20

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562562, C07C13104, C07C13102, C07C13100

Patent

active

041407172

ABSTRACT:
A process is described for directly mono-brominating or mono-chlorinating .alpha.,.alpha.-dialkoxyalkyl or .alpha.,.alpha.-dialkoxycycloalkyl ketoximes in the .beta.-position. Particularly described is the direct chlorination of 2,2-dimethoxycyclohexanone oxime to produce 3-chloro-2,2-dimethoxycyclohexanone oxime, a useful intermediate in the preparation of L-lysine.

REFERENCES:
patent: 3517047 (1970-06-01), Ohno et al.
patent: 3928445 (1975-12-01), Rogic et al.
Angew. Chem. Internat. Edit., vol. 7, pp. 387-388 (1968).

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