Method for production of 1,3,2-dioxaphospholes

Details Method for production of 1,3,2-dioxaphospholes Method for production of 1,3,2-dioxaphospholes

1985-11-07

1987-02-10

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

558 86, C07F 921

Patent

active

046423656

ABSTRACT:
A method is provided for producing a 1,3,2-dioxaphosphole of the formula ##STR1## wherein ##STR2## respresents a benzene ring which may be substituted and R represents an aryl, alkoxy or aralkyloxy group which may be substituted, which comprises reacting a catechol compound of the formula ##STR3## wherein ##STR4## is an defined above, with a compound of the formula ##STR5## wherein X is a halogen atom and R is as defined above, at a temperature not higher than about 30.degree. C. in the presence of a base.

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patent: 3686367 (1972-08-01), Cowling
patent: 3773711 (1973-11-01), Dever et al.
Anschutz et al., "Chemical Abstracts", vol. 26, (1932) 2437.
Kosolapoff et al., "Organic Phosphorus Compounds", vol. 6, (1973), pp. 265-266.
Berlin et al., Condensation of Catechol with Phenylphosphonous Dischloride, A Novel Ring-Cleavage Reaction, J. Org. Chem. 29(5), p. 2056, 1964.

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