Novel tributyl (2,5-dihydroxyphenyl)phosphonium hydroxide inner

Details Novel tributyl (2,5-dihydroxyphenyl)phosphonium hydroxide inner Novel tributyl (2,5-dihydroxyphenyl)phosphonium hydroxide inner

1978-09-26

1979-12-04

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562594, 562598, 562602, 562605, 562607, C07F 954

Patent

active

041772164

ABSTRACT:
The trisubstituted (2,5-dihydroxyphenyl)phosphonium hydroxide inner salts and their hydrolyzed derivatives are novel latent catalysts for promoting reaction between vicinal epoxides and phenols and/or carboxylic acids (or anhydrides). Precatalyzed epoxy resins are easily prepared using such catalysts.

REFERENCES:
patent: 4093650 (1978-06-01), Doorakian
Ramirez et al., J.A.C.S. 78 5614 (1956).
Arshad et al., Chem. Abstracts. 73 65576u (1970).

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