Bis(hydroxy-di-tert.butylphenyl)-alkanoic acid esters

Details Bis(hydroxy-di-tert.butylphenyl)-alkanoic acid esters Bis(hydroxy-di-tert.butylphenyl)-alkanoic acid esters

1975-01-30

1977-10-04

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

560 57, C07C 6976

Patent

active

040523640

ABSTRACT:
Bis(hydroxyphenyl)-alkanoic acid esters the phenyl radicals of which are alkylated twice are prepared by alkylation of corresponding compounds carrying one alkyl radical at the nucleus, using isobutylene as alkylating agent. The alkanoic acid esters are obtained in crystalline form and are suitable as stabilizers for polyolefins.

REFERENCES:
patent: 3206431 (1965-09-01), Doyle et al.

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