Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-09-18
1997-04-29
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548543, 564215, C07C23112, C07D20726
Patent
active
056250762
ABSTRACT:
The present invention provides a catalyst which is an oxide comprising silicon and at least one element selected from the group consisting of alkali metals and alkaline earth metals and which is used for gas-phase intramolecular dehydration of a tertiary N-(2-hydroxyalkyl) carboxylic acid amide to synthesize a tertiary N-alkenyl carboxylic acid amide. This catalyst enables continuous and efficient production of a tertiary N-alkenyl carboxylic acid amide from a tertiary N-(2-hydroxyalkyl) carboxylic acid amide without using any auxiliary raw material, and consequently allows for simple and safe production of a tertiary N-alkenyl carboxylic acid amide without generating any by-product (waste product) derived from the auxiliary raw material.
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patent: 5410070 (1995-04-01), Franz et al.
patent: 5527963 (1996-06-01), Sato et al.
Ariyoshi Kimio
Shimasaki Yuuji
Yano Hitoshi
Nippon Shokubai Co. , Ltd.
Raymond Richard L.
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