Process for preparing cycloalkadienes

Details Process for preparing cycloalkadienes Process for preparing cycloalkadienes

2005-07-12

2005-07-12

Wood, Elizabeth D. (Department: 1755)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By alkyl transfer, e.g., disproportionation, etc.

C585S647000, C585S353000, C585S354000

Reexamination Certificate

active

06916966

ABSTRACT:
The present invention relates to a process for preparing cycloalkadienes using supported catalysts based on Re2O7/γ-Al2O3and also to the use of the resulting cycloalkadienes for the preparation of fragrances.

REFERENCES:
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patent: 2003/0069460 (2003-04-01), Wohrie et al.
patent: 2003/0230598 (2003-12-01), Kendall et al.
patent: 1325642 (1993-12-01), None
patent: 0 991 467 (2001-05-01), None
Chemiker-Zeitung 107, (month unavailable) 1983, pp. 115-120, Von Siegfried Warwel, Heinz Ridder und Gerd Hachen, “Olefinsynthesen durch Metathese”.

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