Process for producing unsaturated dicarboxylic acid imide...

Details Process for producing unsaturated dicarboxylic acid imide... Process for producing unsaturated dicarboxylic acid imide...

C - Chemistry, Metallurgy

07

D

260/306.3, 260/1

C07D 207/448 (2006.01) C07D 207/452 (2006.01) C07F 7/10 (2006.01) C07F 9/572 (2006.01)

Patent

CA 1338809

A process for producing an unsaturated di- carboxylic acid imide compound of formula (I): Image (I) wherein D represents a divalent organic group having at least one carbon/carbon double bond; R1 represents an n- valent organic group having at least one carbon atom; and n is an integer of 1 or above, which comprises reacting an unsaturated amide acid compound of formula (II): Image (II) wherein D, R1, and n are as defined above, with an orthoester of formula (III): Image (III) wherein R2 and R3, which may be the same or different, each represents a monovalent organic group having at least one carbon atom, to form an unsaturated dicarboxylic acid amide acid ester compound of formula (IV): Image (IV) wherein D, R1, R3, and n are as defined above, and then imidating the compound of formula (IV).

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