5-alkyl-tetramic acids and process for their production

Details 5-alkyl-tetramic acids and process for their production 5-alkyl-tetramic acids and process for their production

C - Chemistry, Metallurgy

07

D

260/324

C07D 207/36 (2006.01) C07D 207/38 (2006.01)

Patent

CA 1335293

A process is disclosed for the production of 5- alkyl tetramic acids, some of which are novel, from 4- alkoxy-3-pyrrolin-2-ones and aldehydes or ketones. By basic catalysis, 5-alkylidene-4-alkoxy-3-pyrrolin-2-ones are first formed, which are converted into the target compounds by cleavage of the alkoxy group and catalytic hydrogenation.

609740

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