期刊
TETRAHEDRON LETTERS
卷 43, 期 26, 页码 4597-4600出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)00906-1
关键词
bismuth and compound; allylation; homoallyl ethers; Lewis acid
The allylation of acetals using allyltrimethylsilane is efficiently catalyzed by bismuth triflate (1.0 mol%). The reaction proceeds smoothly at room temperature to afford the corresponding homoallyl ether in good yield. The mild reaction conditions. the low toxicity of bismuth salts. and the high catalytic efficiency of the system make this procedure particularly attractive for large-scale synthesis. (C) 2002 Elsevier Science Ltd. All rights reserved.
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