Novel bicyclic amine catalysts

Details Novel bicyclic amine catalysts Novel bicyclic amine catalysts

1989-07-13

1990-05-01

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

528 54, C08G 1820

Patent

active

049218794

ABSTRACT:
New catalysts are made available for the production of polyurethane and polyepoxide resins being derivates of 2-azabicyclo[2.2.2]hept-5-enes and 2-azabicyclo[2.2.1]heptanes substituted in 2- and optionally in 3-position. Also provided is a process for preparing same by reacting cyclopentadiene with salts of strong acids of ammonia or of primary amines and aldehydes and, optionally, by subsequent catalytic hydrogenation of the reaction product.

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Larsen et al., "Aza Diels-Alder Reactions in Aqueous Solution: Cyclocondensation of Dienes with Simple Iminium Salts Generated under Mannich Conditions", J. Am. Chem. Soc., 107, 1768-1769, 1985.
Chem.-Abstract, 103:6713b, Jun. 20, 1984.

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