Catalytic transformations of vinylthiiranes by tungsten carbonyl complexes. A new route to 3, 6-dihydro-1, 2-dithiins

RD Adams, JL Perrin

Index: Adams, Richard D.; Perrin, Joseph L. Journal of the American Chemical Society, 1999 , vol. 121, # 16 p. 3984 - 3991

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Citation Number: 24

Abstract

W (CO) 5 (NCMe)(1) has been found to transform vinylthiirane and a series of methyl- substituted vinylthiiranes into a series of 3, 6-dihydro-1, 2-dithiin compounds. Two equivalents of the vinylthiirane are required, and 1 equiv of a butadiene is formed by the transfer of its sulfur atom to the second vinythiirane, which is then transformed into the dihydrodithiin. The formation of 3, 6-dihydro-1, 2-dithiin (9) proceeds at 15 turnovers/h at ...