Preparation of methylene-bis-phenylcarbamic acid esters and of p

Details Preparation of methylene-bis-phenylcarbamic acid esters and of p Preparation of methylene-bis-phenylcarbamic acid esters and of p

1980-07-07

1981-08-04

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

260453P, C07C125073, C07C11800, C07C119048

Patent

active

042823706

ABSTRACT:
A process for preparing a methylene-bis-(4-phenylcarbamic acid ester), wherein an N-phenylcarbamic acid ester is reacted with an acylal in the presence of an acid at from 50.degree. to 150.degree. C.

REFERENCES:
patent: 2946768 (1960-07-01), Klauke et al.
patent: 4146727 (1979-03-01), Shawl et al.
patent: 4162362 (1979-07-01), Shawl
patent: 4163019 (1979-07-01), Mango
patent: 4202986 (1980-05-01), Shawl
patent: 4230877 (1980-10-01), Shawl et al.

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