Preparation process of unsaturated carboxylic acid amide

Details Preparation process of unsaturated carboxylic acid amide Preparation process of unsaturated carboxylic acid amide

1988-12-12

1990-12-18

Wax, Robert A.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544386, 546245, 548538, C07D295023

Patent

active

049787543

ABSTRACT:
A process for the preparation of an N-substituted unsaturated carboxylic acid amide represented by the following formula: ##STR1## wherein R.sup.1 means a hydrogen atom or methyl group Y denotes a methylene group, oxygen atom or methylimino group, m and n stand individually for an integer of 0 to 5, and m+n is an integer of 3 to 5. The process comprises reacting a specified .beta.-alkoxy-substituted carboxylate with a specified cyclic amine to form a .beta.-alkoxy-substituted carboxylic acid amide compound and then removing an alcohol from the carboxylic acid amide compound in the presence of a basic catalyst to form an unsaturated group.

REFERENCES:
patent: 2702822 (1955-02-01), Weisgerber
patent: 3914303 (1975-10-01), Daniher

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