Monocapped bisphenol salts and method of making

Details Monocapped bisphenol salts and method of making Monocapped bisphenol salts and method of making

1979-12-17

1981-06-16

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30922

Patent

active

042737176

ABSTRACT:
Monocapped bisphenol salts are provided including the monocapped salt of 2,2-bis(4-hydroxyphenyl)propane. Capping is effected by contacting a bisphenol and dihydropyran in the presence of an anhydrous organic solvent and a condensation catalyst. Subsequent decapping is readily achieved under acid conditions. The monocapped bisphenol salts are useful for making intermediate bisphenol oligomers.

REFERENCES:
Comp. Rend, Feb. 1, 1965, (Index Chemicus) 17(6) 6/7/65.
Index Chemicus 21(3) 4/25/66.

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