Boron carbide as an effective Friedel-Crafts type catalyst

Details Boron carbide as an effective Friedel-Crafts type catalyst Boron carbide as an effective Friedel-Crafts type catalyst

2007-10-09

2007-10-09

Parsa, J. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S323000, C568S338000

Reexamination Certificate

active

11442716

ABSTRACT:
The compound boron carbide, B4C, is an effective catalyst for the alkylation and acylation of aromatics to produce polybenzyls, ketones, esters and alkyl benzenes. The catalyst boron carbide is also effective in conducting intramolecular Friedel-Crafts type reactions to produce cyclic ketones.

REFERENCES:
patent: 4414406 (1983-11-01), Fields
patent: 4547605 (1985-10-01), Kresge
patent: 4717780 (1988-01-01), Olson
patent: 5750455 (1998-05-01), Chauvin
patent: 6184418 (2001-02-01), Dubac

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