期刊
ORGANIC LETTERS
卷 18, 期 9, 页码 2074-2077出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b00706
关键词
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资金
- Ministry of Education, Science, Sports, and Culture, Japan
- Grants-in-Aid for Scientific Research [26410111] Funding Source: KAKEN
A 1,4-addition strategy using an enone and a copper reagent was studied for the synthesis of (-)-piperitylmagnolol. A MOM-protected biphenol copper reagent was added to BF3 center dot OEt2-activated 4-isopropylcyclohexenone, whereas 1,4-addition of protected monophenol reagents possessing an allyl group was found to be unsuccessful. The allyl group was later attached to the p-,p'-diiodo-biphenol ring by Pd-catalyzed coupling with allylborate. The aforementioned iodide was synthesized using a new method for ortho-selective deiodination of o-,p-diiodophenols.
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