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Boron Trifluoride-Mediated Domino Dehydration/Electrophilic Cyclization of Silylalkynols Leading to 2,3-Fused Tricyclic Benzofulvenes
Organic Letters ( IF 4.9 ) Pub Date : 2024-02-22 , DOI: 10.1021/acs.orglett.4c00123
Takashi Okitsu 1 , Takeshi Yoshikawa 2 , Mai Morohashi 3 , Kokoro Aoki 2 , Takayuki Yakura 1 , Ken Sakata 2 , Manabu Hatano 3
Affiliation  

A BF3-mediated domino dehydration/electrophilic cyclization of silylalkynols to form 2,3-fused tricyclic benzofulvenes was achieved. In the latter step, in situ generated BF3·OH2 enables the electrophilic activation of alkynes. The predominant Z-selectivity of the reaction is also discussed.

中文翻译:


三氟化硼介导的硅炔醇多米诺脱水/亲电环化生成 2,3-稠合三环苯并富烯



实现了甲硅烷基炔醇的BF 3介导的多米诺脱水/亲电环化以形成2,3-稠合三环苯并富烯。在后一步中,原位生成的BF 3 ·OH 2能够实现炔烃的亲电活化。还讨论了反应的主要Z选择性。
更新日期:2024-02-22
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