Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1987-12-03
1989-11-14
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544221, C07D25134
Patent
active
048809276
ABSTRACT:
A method for preparing a cyclic isocyanuric ester having organosilicon groups which comprises thermally treating an isocyanic ester for addition reaction in the presence of an alkali metal hydroxide or alkoxide. By the above reaction, a cyclic trimer of the starting isocyanic ester can be selectively obtained. The catalyst can be readily removed from the reaction system.
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Takago Toshio
Yamamoto Yasushi
Ford John M.
Shin-Etsu Chemical Co. , Ltd.
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