Aromatic heterocycles containing arsenic and sulfur: The synthesis of 1, 2-and 1, 3-thiaarsole and the gas-phase molecular structure of 1, 2-thiaarsole
…, M Schiesher, AD Richardson, K Hedberg
Index: Ashe III, Arthur J.; Fang, Xinggao; Schiesher, Matthew; Richardson, Alan D.; Hedberg, Kenneth Journal of the American Chemical Society, 2000 , vol. 122, # 29 p. 7012 - 7016
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Citation Number: 12
Abstract
The reaction of chloromethyl ethynyl sulfide with Bu2SnH2/LDA affords 2, 3-dibutyl-2, 3- dihydro-1, 3-thiastannole which on reaction with AsBr3 followed by DBU affords 1, 3- thiaarsole in 22% yield. The reaction of allyl mercaptan with 2 equiv of BuLi followed by 1 equiv of Me2SnCl2 affords an 80% yield of 2, 3-dihydro-2, 2-dimethyl-1, 2-thiastannole which on reaction with AsBr3 followed by DBU gives 1, 2-thiaarsole in 56% yield. The ...
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