Process for the preparation of bis (2-benzoxazolyl) stilbenes

Details Process for the preparation of bis (2-benzoxazolyl) stilbenes Process for the preparation of bis (2-benzoxazolyl) stilbenes

1993-02-22

1994-07-26

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26354

Patent

active

053328280

ABSTRACT:
Disclosed is an improved process for the preparation of 4,4'-bis(2-benzoxazolyl)stilbene compounds by the reaction of 4,4'-stilbenedicarboxylic acid with 2-aminophenol compounds in the presence of a tin or titanium catalyst and certain solvents.

REFERENCES:
patent: 3366575 (1968-01-01), Ono et al.
patent: 3412089 (1968-11-01), Ohkawa et al.
patent: 3585208 (1971-06-01), Rash et al.
patent: 3586673 (1971-06-01), Bloom et al.
patent: 3768042 (1972-07-01), Matter
patent: 4048185 (1977-09-01), Pintschovins et al.
patent: 4282355 (1981-08-01), Erckel et al.
patent: 4291964 (1990-05-01), Bowers, Jr. et al.

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