Lubricants comprising novel cyclopentanes, cyclopentadienes, cyc

Details Lubricants comprising novel cyclopentanes, cyclopentadienes, cyc Lubricants comprising novel cyclopentanes, cyclopentadienes, cyc

1989-03-15

1990-05-29

Pal, Asok

Chemistry of hydrocarbon compounds

Alicyclic compound synthesis

By alkylation or alkyl transfer

585467, C07C 286

Patent

active

049297821

ABSTRACT:
Hydrocarbyl substituted cyclopentadienes, cyclopentenes, and cyclopentanes are synthetic lubricating compositions. The preferred structures contain 1 to 6 alkyl groups which have 4 to 36 carbon atoms and may have different and varying carbon chain structures. The cyclopentenes and cyclopentanes are prepared by hydrogenation from the corresponding cyclopentadiene intermediates. The cyclopentadienes are prepared by reaction with hydrocarbylating agents or alcohols. Mixtures are also disclosed.

REFERENCES:
patent: 3255267 (1966-06-01), Fritz et al.
patent: 3560583 (1971-02-01), Stewart, Jr.
patent: 4567308 (1986-01-01), Yoshida et al.
patent: 4721823 (1988-01-01), Venier et al.
patent: 4814532 (1989-03-01), Yoshida et al.

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