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Thioketones are organic compounds related to conventional ketones. Instead of the formula R2C=O, thioketones, or thiones as they are also called, have the formula R2C=S. Unhindered thioketones are typically unstable; such compounds tend to form polymers or rings.
Additional recommended knowledge
One approach to generating thiocarbonyl-molecules entails treating a ketone with Lawesson's reagent. Other methods use of an hydrogen chloride with hydrogen sulfide. Bis(trimethylsilyl)sulfide has also been employed.
Thiobenzophenone, the prototype
Thiobenzophenone, (C6H5)2CS, is quite stable. This deep blue compound dissolves readily in organic solvents. It photooxidizes in air to benzophenone and sulfur. Since the discovery of thiobenzophenone, a variety of related thiones have been prepared by the Tokitoh group.
Thial, for a description of thioaldehydes.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Thioketone". A list of authors is available in Wikipedia.|