Process for the preparation of geminal diarylalkanes, new gemina

Details Process for the preparation of geminal diarylalkanes, new gemina Process for the preparation of geminal diarylalkanes, new gemina

1990-04-30

1992-08-04

Lone, Werren B.

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

Organic compounds

Halogen containing

568 25, 568 68, 568584, 568588, 568632, 568715, 568717, 568722, 568729, 568808, 568809, 568812, 570191, 570194, 585320, 585323, 585422, 585438, C07C 1700, C07C 2518, C07C 3912, C07C32124

Patent

active

051361140

ABSTRACT:
The invention relates to a new process for the preparation of geminal diarylalkanes of the formula ##STR1## by Friedel-Crafts alkylation of aromatic compounds with specific aliphatic halogen compounds (addition compounds of CCl.sub.4 , to .alpha.-olefins), to new geminal diarylalkanes and the aralkyl compounds resulting as intermediates.

REFERENCES:
patent: 2308419 (1943-01-01), Heitz
patent: 2355850 (1944-08-01), Dreisbach
patent: 2485017 (1949-10-01), Schmerling
patent: 2631172 (1953-03-01), Schmerling
patent: 2654791 (1953-10-01), Weston
patent: 3631211 (1971-12-01), Schmerling
patent: 3875249 (1975-04-01), Nelson
patent: 4251675 (1981-02-01), Engel
patent: 4365103 (1982-12-01), Chang et al.
The Journal of Organic Chemistry, May 1961, vol. 26, No. 5, pp. 1398-1401.
The Journal of Oraganic Chemistry, May 14, 1976, vol. 41, No. 10, pp. 1698-1701.

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