Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1998-04-13
1999-07-13
Burn, Brian M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
548229, C07G20936
Patent
active
059229160
ABSTRACT:
The present invention relates to a process for preparing 5-methylene cyclic carbamates either by cyclization of an alkynyl amine with carbon dioxide in the presence of a copper catalyst or by forming an isocyanate from a substituted acetoacetamide followed by hydrolysis. The 5-methylene cyclic carbamates by either method are converted to 5-(chloromethylene) cyclic carbamates, using trichloroisocyanuric acid, followed by hydrolysis to a chloroketoamine.
The chloroketoamine from the process of this invention additionally can be reacted with an organic acid chloride to form an amide compound which is useful as a fungicide.
Abdesaken Fereydon
Chong Joshua Anthony
Rayle Heather Lynnette
Roemmele Renee Caroline
Stephens Randall Wayne
Burn Brian M.
Carpenter Charles R.
Rohm and Haas Company
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