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The photolysis of 2-fluorocyclohexanone in the 313-nm region. The elimination of hydrogen fluoride from vibrationally excited fluorocyclopentane

✍ Scribed by Glyn O. Pritchard; John P. Gute

Book ID
102928663
Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
701 KB
Volume
10
Category
Article
ISSN
0538-8066

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✦ Synopsis

Abstract

The gas‐phase photolysis of 2‐fluorocyclohexanone at 313 nm and 120°C is reported. The primary dissociative step appears to be magnified image The 1‐fluoropentanediyl species can disproportionate to form the 1‐ and 5‐fluoro‐1‐pentenes, or cyclize to form vibrationally excited fluorocyclopentane. The latter molecule either undergoes collisional stabilization or decomposes unimolecularly to give cyclopentene and HF. The half‐quenching pressure for the latter reaction was 2 torr. The disproportionation‐to‐combination ratic for the diradical was found to be 1.2. Some brief preliminary experiments on the liquid‐phase photolysis of 2‐chlorocyclohexanone and 2‐fluorocyclohexanone are also described.

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