Diphenyl compounds that are intermediates in preparation of poly

Details Diphenyl compounds that are intermediates in preparation of poly Diphenyl compounds that are intermediates in preparation of poly

1977-08-05

1980-01-01

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Aromatic

526173, 585320, 585469, C07C 1514

Patent

active

041816846

ABSTRACT:
Organo-lithium compounds of the formula: ##STR1## wherein R is an alkyl group of up to 5 carbon atoms, R' is either hydrogen or an alkyl group of up to 5 carbon atoms and n is an integer from 2 to 10. These bifunctional organo-lithium compounds are prepared without the use of any polar or complexing agent and are useful as polymerization initiators for the production of block copolymers.

REFERENCES:
patent: 2614130 (1952-10-01), Pines et al.
patent: 2957036 (1960-10-01), Markus
patent: 3441625 (1969-04-01), Bargeron et al.
patent: 4035431 (1977-07-01), Charbonneau
Chem. Ab. 74: 111743s, 1971.
Chem. Ab. 79: 146153e, 1973.
Chem. Ab. 84: 4563t, 1976.

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