Unprecedented cesium and potassium fluorides catalyzed trialkylsilylation and tributylstannylation of terminal alkynes with trifluoromethyl-trialkylsilanes and -tributylstannane
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作者:
Ishizaki, M
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Sci Univ Tokyo, Fac Pharmaceut Sci, Shinjuku Ku, Tokyo 1620826, JapanSci Univ Tokyo, Fac Pharmaceut Sci, Shinjuku Ku, Tokyo 1620826, Japan
Ishizaki, M
[1
]
Hoshino, O
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Sci Univ Tokyo, Fac Pharmaceut Sci, Shinjuku Ku, Tokyo 1620826, JapanSci Univ Tokyo, Fac Pharmaceut Sci, Shinjuku Ku, Tokyo 1620826, Japan
Hoshino, O
[1
]
机构:
[1] Sci Univ Tokyo, Fac Pharmaceut Sci, Shinjuku Ku, Tokyo 1620826, Japan
Cesium and potassium fluorides promoted trialkylsilylation and tributylstannylation of terminal alkynes with trifluoromethyltrialkylsilanes and -tributylstannane were found to give 1-silyl- and 1-tributylatannyl-alkynes in high yield. The present reactions are applicable to 1-alkynes having a wide range of functional groups such as acetal, iodo, silyl, amino, amido and carbonyl (except for aldehyde) groups. (C) 2000 Elsevier Science Ltd. All rights reserved.