Directed Pd(0)-catalyzed hydrostannations of internal alkynes |
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| Authors: | James A Marshall Matthew P Bourbeau |
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| Institution: | Department of Chemistry, University of Virginia, PO Box 400319, McCormick Road, Charlottesville, VA 22904, USA |
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| Abstract: | Hydrostannations of primary propargylic alcohols with Bu3SnH catalyzed by Pd(PPh3)2 yield (E) allylic alcohols in which the Bu3Sn group is affixed to the carbon proximal to the CH2OH substituent, suggestive of an OH directing effect. Hydrostannations of the related propargylic acetates show no such effect. |
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| Keywords: | hydrostannation vinylstannae poyketide directing effects |
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