Process for producing N-(1-alkoxyethyl)carboxylic amides

Details Process for producing N-(1-alkoxyethyl)carboxylic amides Process for producing N-(1-alkoxyethyl)carboxylic amides

1998-09-11

2000-12-26

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564205, 564224, C07C23112, C07C23305

Patent

active

061662534

ABSTRACT:
A process for producing N-(1-alkoxyethyl)carboxylic amides by reacting alcohols of 1-5 carbon atoms with N-vinylcarboxylic amides in the presence of an acidic catalyst, or by utilizing unreacted starting material, unreacted intermediate or unrecovered product for synthesis of N-(1-alkoxyethyl)carboxylic amides. A process for producing N-(1-alkoxyethyl)carboxylic amides by adding a water-soluble strong acid during reaction between a carboxylic amide and a starting material containing acetaldehyde and alcohol and/or a starting material containing an acetal, in an amount of 2.times.10.sup.-3 to 3.times.10.sup.-1 equivalents to 1 mole of the carboxylic amide in the starting material, and using a strongly acidic ion-exchange resin as the catalyst.

REFERENCES:
patent: 4554377 (1985-11-01), Stackman et al.
patent: 4997984 (1991-03-01), Sugita et al.
patent: 5852214 (1998-12-01), Aizawa et al.
Journal of Chemical Society, Chemical Communications, "A New Method for the Synthesis of N-t-Butoxycarbonyl . . . ", pp. 1304-1306, 1990.

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