FREE RADICALS BY MASS SPECTROMETRY: XII. PRIMARY STEPS IN THE MERCURY PHOTOSENSITIZED DECOMPOSITIONS OF ACETONE AND ACETALDEHYDE

Author:

Lossing F. P.

Abstract

The primary step in the mercury (Hg3P1) photosensitized decomposition of acetone at 55 °C. results in the formation of methyl and acetyl radicals. At least 25% of the acetyl radicals are sufficiently long-lived to suffer collision with a second excited mercury atom, the products being ketene and a hydrogen atom. The primary step in the decomposition of acetaldehyde is at least 95% to form methyl and formyl radicals. The methane found was shown by tracer experiments to be the product of a secondary reaction, probably that between methyl and formyl radicals. Other secondary reactions are discussed.

Publisher

Canadian Science Publishing

Subject

Organic Chemistry,General Chemistry,Catalysis

Cited by 41 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Acetaldehyde;Kirk-Othmer Encyclopedia of Chemical Technology;2002-11-15

2. Acetaldehyde;Kirk‐Othmer Encyclopedia of Chemical Technology;2000-12-04

3. Mercury(63P1)-Photosensitized Decomposition of Tetramethyllead;Bulletin of the Chemical Society of Japan;1992-06

4. Laser FM spectroscopy with photochemical modulation;Applied Physics B Photophysics and Laser Chemistry;1984-10

5. Photochemical modulation spectroscopy of oxygen atom reactions with olefins;Journal of Photochemistry;1981-01

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