Process for the production of 4-acylamido-4, 4-dicarbalkoxy-buta

Details Process for the production of 4-acylamido-4, 4-dicarbalkoxy-buta Process for the production of 4-acylamido-4, 4-dicarbalkoxy-buta

1977-07-26

1978-04-11

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

548309, 26032614T, C07C10126

Patent

active

040840573

ABSTRACT:
There is provided a process for the production of 4-acylamido-4,4-dicarbalkoxy-butanalphenylhydrazones comrising adding an acylamidomalonic acid ester to acrolein in the presence of a catalyst and then reacting the 4-acylamido-4,4-dicarbalkoxy-butanal with phenylhydrazine. The catalyst is an alkali metal salt of a carboxylic acid.

REFERENCES:
patent: 2583010 (1952-01-01), Opie et al.
patent: 3019232 (1962-01-01), Sakurai et al.
patent: 4001276 (1977-01-01), Tsuchihashi et al.
Moe et al., J. Amer. Chem. Soc., 70, pp. 2763-2765, (1948).
Chibata et al., Chem. Absts., 51, 11451(e), (1957).
Kalnins et al., Chem. Absts., 85, 123349(h), (1976).

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