Preparation of methylene-bis(4-phenylcarbamic acid esters)

Details Preparation of methylene-bis(4-phenylcarbamic acid esters) Preparation of methylene-bis(4-phenylcarbamic acid esters)

1980-01-22

1981-01-06

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

C07C12507

Patent

active

042438152

ABSTRACT:
A process for the preparation of methylene-bis-(4-phenylcarbamic acid esters), wherein an N-phenylcarbamic acid ester is reacted with a formaldehyde-acetal in the presence of an acid at up to 200.degree. C.

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patent: 3467694 (1969-09-01), Hardy et al.
patent: 3584000 (1971-06-01), Hobart et al.
patent: 3751370 (1973-08-01), Stemberg et al.
patent: 3992430 (1976-11-01), Bacskai
patent: 4081472 (1978-03-01), Tsumura et al.
patent: 4146727 (1979-03-01), Shawl et al.
patent: 4163019 (1979-07-01), Mango

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