A facile route to 4,5,6,7-tetrahydrothiophenes and benzothiophenes |
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Authors: | Takehiko Nishio Norikazu Okuda Choji Kashima |
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Abstract: | 2-Substituted tetrahydro- and cyclopentathiophenes 2 were produced in high yields by treatment of the semi-cyclic trisubstituted 1,4-diketones 1 such as 2-phenacylcyclohexan-1-one, 2-acetonylcyclohexan-1-one, and 2-phenacylcyclopentan-1-one, with Lawesson's reagent. |
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