Bromoallylation of alkenes leading to 4-alkenyl bromides based on trapping of β-bromoalkyl radicals

Takashi Kippo, Kanako Hamaoka, Mitsuhiro Ueda, Takahide Fukuyama, Ilhyong Ryu*

*此作品的通信作者

研究成果: Article同行評審

7 引文 斯高帕斯(Scopus)

摘要

A radical-chain addition of allyl bromides to aryl alkenes, vinyl ester, and vinyl phthalimide was studied in which elusive β-bromoalkyl radicals were trapped efficiently to give 5-bromo-1-pentenes in good to high yields (16 examples). A subsequent carbonylative radical cyclization with AIBN/Bu3SnH/CO was successful in giving the corresponding 3,5-disubstituted cyclohexanone derivatives in moderate yields. Synthesis of a piperidine ring was also successful by subsequent reaction with primary amine.

原文English
頁(從 - 到)5198-5200
頁數3
期刊Organic Letters
19
發行號19
DOIs
出版狀態Published - 6 10月 2017

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