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Patent Searching and Data


Title:
PRODUCTION OF BIS(NAPHTALENYLMETHYLENE) DERIVATIVE
Document Type and Number:
Japanese Patent JPH0543580
Kind Code:
A
Abstract:

PURPOSE: To obtain the title compound free from coloring and useful as a gelling agent, epoxy resin, etc., in high purity and high yield by reacting hexahydroxyhexane with a naphthoaldehyde compound in a cyclohexane solvent in the presence of an acid catalyst.

CONSTITUTION: A compound expressed by formula I such as D-sorbitol is reacted with a compound expressed by formula II (-CHO group is located at the αposition or β position of naphthalene ring; R1 is H or 1-10C alkyl) such as 1-naphthoaldehyde in a cyclohexane solvent in the presence of an acid catalyst such as p-toluenesulfonic acid to provide the objective compound expressed by formula III.


Inventors:
AOKI HARUMICHI
SASAGAWA KATSUYOSHI
YAMAZAKI MIDORI
Application Number:
JP19916191A
Publication Date:
February 23, 1993
Filing Date:
August 08, 1991
Export Citation:
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Assignee:
MITSUI TOATSU CHEMICALS
International Classes:
B01J31/02; C07B61/00; C07D493/04; (IPC1-7): B01J31/02; C07B61/00; C07D493/04