Process for producing chroman

Details Process for producing chroman Process for producing chroman

1994-09-13

1996-02-27

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549411, 549410, 549408, 549405, 549404, C07D31158, C07D31192

Patent

active

054950260

ABSTRACT:
A phenol, a formaldehyde and an unsaturated compound having carbon-carbon double bond are reacted in the presence of a secondary amine and an acid at a temperature of 100.degree. to 250.degree. C., to give a chroman.

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