A Novel Photochemical Reaction of Alcohols in the Presence of an Olefin and 2-Aminothiophenol
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Photolysis of simple primary alcohols in the presence of 2-aminothiophenol (I) and cyclohexene afforded 2-methyl-2-alkylbenzothiazolines (II : R_1=CH_3,R_2=alkyl) having the methyl group arising from a carbon of cyclohexene. Similar irradiation of secondary alcohols resulted in the fromation of 2,2-dialkyl-benzothiazolines (II) in which the R_1R_2C parts correspond to the carbon skeleton of the parent alcohols. The concurrent formation of 2-cyclohexylthioaniline (III) and 2,2-pentamethylene-benzothiazoline (IV) in these reactions was also observed. Mechanisms for the formation of these photochemical products have been discussed.
- 公益社団法人日本薬学会の論文
- 1972-07-25
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