Catalytic preparation of condensation products of formaldehyde

Details Catalytic preparation of condensation products of formaldehyde Catalytic preparation of condensation products of formaldehyde

1995-12-11

1996-12-17

Haley, Jacqueline

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5482646, 546 64, 546 82, C07D24912, C07D47106

Patent

active

055854966

ABSTRACT:
A process for the catalytical preparation of condensation products of formaldehyde, in which formaldehyde or a formaldehyde-forming compound is caused to undergo reaction using a catalyst which has been produced, in the presence of an auxiliary base, from a triazolium salt of formula I ##STR1## in which R.sup.1 and R.sup.3 are the same or different and stand for aliphatic groups having from 1 to 30 carbon atoms, optionally substituted aryl groups, optionally substituted aralkyl groups, and/or optionally substituted heteroaryl groups,

REFERENCES:
patent: 4035395 (1977-07-01), Stetter et al.
Chemical Abstracts, vol. 104, No. 15, Apr. 1996, abstract no. 129501j.

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