Preparation of alkyl cyanoacetates

Details Preparation of alkyl cyanoacetates Preparation of alkyl cyanoacetates

1996-10-21

1998-05-26

Ramsher, Robert W.

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

Organic compounds

Nitriles

C07C25527

Patent

active

057568073

ABSTRACT:
A process for preparing alkyl cyanoacetates of the general formula I ##STR1## where R is an n-valent aliphatic radical which has 6 to 20 carbon atoms and whose carbon framework can be interrupted by one to three oxygen atoms in ether functionality, and n is a number from 1 to 6, by reacting cyanoacetic acid in aqueous medium with an alcohol R(OH).sub.n, where the esterification is carried out in the presence of an inert entrainer and, during the reaction, water and entrainer are distilled out.

REFERENCES:
patent: 2553065 (1951-05-01), Somogyi et al.
patent: 5347032 (1994-09-01), Reichelt et al.
Ulmann's Encyclopedia of Industrial Chemistry, Fifth Edition, vol. A10: Ethanolamines to Fibers, 4. Synthetic Organic, pp. 284-285 (1980).
Ulmann's Encyclopedia of Industrial Chemistry, Fifth Edition, vol. A1, pp. 290-293 (1982).

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