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Reactions of Small Carbon Anions with Hydrogen Sulfide

✍ Scribed by Femia G. Hopwood; Keith J. Fisher; Gary D. Willett; Paul G. Greenhill

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
403 KB
Volume
10
Category
Article
ISSN
0951-4198

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✦ Synopsis

A Fourier transform mass spectrometry analysis of the ion/molecule reactions of small carbon cluster anions (C"-, n = 4-9) with hydrogen sulfide are reported. Carbon anions were produced from a partially graphitized petroleum coke. All the anions proved to be reactive towards H2S, different reaction products being produced from the even-and odd-numbered carbon anions. Second-order rate constants were determined for the reactions.

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## Abstract Monoketones react with hydrogen sulfide in the presence of basic catalysts to give geminal dithiols or thioketones. β‐Diketones are converted into monothiodiketones. α‐Diketones can be selectively reduced by hydrogen sulfide in the cold in the presence of secondary or tertiary amines to