Hexafluoroisopropyl-containing monomers, process for their prepa

Details Hexafluoroisopropyl-containing monomers, process for their prepa Hexafluoroisopropyl-containing monomers, process for their prepa

1990-03-22

1992-05-05

Raymond, Richard L.

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

Organic compounds

Carboxylic acids and salts thereof

562441, 562468, 562840, 562853, 562868, 564156, 564166, 564167, 564171, 564315, 568585, 568639, 568745, C07C20559

Patent

active

051109832

ABSTRACT:
Compounds of the formula I ##STR1## can be prepared by various process steps from 2-(4-methylphenyl)-2-hexafluoroisopropanol.
Hexafluoroisopropyl-containing monomers are important starting compounds in the preparation of linear polycarboxamides and polycarboximides.

REFERENCES:
patent: 3355500 (1967-11-01), Farah et al.
patent: 4845183 (1989-07-01), Mueller et al.
patent: 4866155 (1989-09-01), Mueller et al.
patent: 4925915 (1990-05-01), Mueller et al.
patent: 4939215 (1990-07-01), Mueller et al.
patent: 4978790 (1990-12-01), Lau et al.
patent: 4992593 (1991-02-01), Siegemund

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