Preparation and use of 3, (4)-substituted pyrrolidines as cataly

Details Preparation and use of 3, (4)-substituted pyrrolidines as cataly Preparation and use of 3, (4)-substituted pyrrolidines as cataly

1992-02-10

1993-12-28

Kight, III, John

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548408, 548418, 548421, 548428, 548531, 548532, 548535, 548536, 548538, 548560, 548570, 502167, C07D48700, C07D48702

Patent

active

052741141

ABSTRACT:
This invention relates to the preparation of 3- and/or 4-substituted pyrrolidine catalysts corresponding to formula (I) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, X.sub.1, X.sub.2, and Y have the meanings described for formula (I) and to use of such catalysts in the polyisocyanate polyaddition process.

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