Process for preparing tetrahydro-1,3-oxazin-2-ones

Details Process for preparing tetrahydro-1,3-oxazin-2-ones Process for preparing tetrahydro-1,3-oxazin-2-ones

1981-12-14

1983-05-17

Raymond, Richard

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

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D26510

Patent

active

043841155

ABSTRACT:
Tetrahydro-1,3-oxazin-2-ones are prepared by contacting a 1,3-dioxan-2-one with an acyclic carbamate at a temperature from about 100.degree. C. to about 250.degree. C. in the presence of a catalytic amount of an alkali metal salt.

REFERENCES:
patent: 2940971 (1960-06-01), Lott
E. Testa, et al., Farmaco (Pavia) Ed. Sci., 13, 437-446 (1958), CA 53:6099a (at g) (1959).
Saul, S., et al., J. Am. Chem. Soc., 80, 4596-4599 (1958).

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