Copper(II) triflate as a double catalyst for the one-pot click synthesis of 1,4-disubstituted 1,2,3-triazoles from benzylic acetates
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作者:
Fukuzawa, Shin-ichi
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Chuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, JapanChuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, Japan
Fukuzawa, Shin-ichi
[1
]
Shimizu, Eiji
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Chuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, JapanChuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, Japan
Shimizu, Eiji
[1
]
Kikuchi, Satoshi
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Chuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, JapanChuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, Japan
Kikuchi, Satoshi
[1
]
机构:
[1] Chuo Univ, Inst Sci & Engn, Dept Appl Chem, Bunkyo Ku, Tokyo 1128551, Japan
Copper(II) triflate doubly catalyzed the substitution of benzylic acetates by TMSN3 and the subsequent 1,3-dipolar addition with an alkyne in one pot. This procedure afforded the preparation of 1,4-disubstituted 1,2,3-triazoles in good yields starting from the easily accessible acetates without isolating an organic azide using a single catalyst.