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The reactions of tin tetrachloride and four terminal alkynes (PhCCH, t BuCCH, n BuCCH, HOCH 2 CCH), norbornene, and norbornadiene in dichloromethane or chloroform solution lead to the formation of stannylation products, which were characterized by 1 H, 13 C and 119 Sn NMR spectroscopy. Virtually complete α-regioselectivity was obtained in reaction of...
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