Process for synthesizing 4,4'-bis(carboalkoxystilbene) derivativ

Details Process for synthesizing 4,4'-bis(carboalkoxystilbene) derivativ Process for synthesizing 4,4'-bis(carboalkoxystilbene) derivativ

1990-12-11

1992-05-12

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560 76, 562488, C07C 67343

Patent

active

051130106

ABSTRACT:
The invention is concerned with a novel route for making 4,4'-bis(carboalkoxystilbene) derivatives. The process involved is a variation of the Wittig process and allows the compound to be obtained in a less costly and safer way.

REFERENCES:
patent: 4537985 (1985-08-01), Puskas et al.
patent: 4713472 (1987-12-01), Van Sicle et al.
patent: 4789755 (1988-12-01), Van Sickle et al.
patent: 4798911 (1989-01-01), Lentz et al.
Heitz et al., Makramol Chem., 189 (i): 119-127 (1988).
B. H. Lee et al., J. Polymer Sci., Polym. Chem. Ed. 20:393-399, (1982).

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