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Insertion of Unsaturarel Organic Compounds into Carbon-Carbon Bonds

Insertion of Unsaturarel Organic Compounds into Carbon-Carbon Bonds
将不饱和有机化合物插入碳-碳键
批准号：
12450362
负责人：
MURAKAMI Masahiro
金额：
$9.66万
依托单位：
KYOTO UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2000
资助国家：
日本
项目状态：
已结题
起止时间：
2000 至 2003
来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-12450362/
关键词：
rhodiumcyclobutanonecarbon-carbon bondeight-membered ring ketonemetallacycleolefin insertiondecarbonylation8員環炭素-炭素結合切断ローダサイクル挿入反応

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英文摘要
Rhodium(I)-catalyzed intramolecular olefin insertion reactions of o-Styryl-substituted cyclobutanones were studied. When 3-(o-Styryl)cyclobutanone (1) was heated in m-xylene in the presence of a catalytic amount of Rh(I)-DPPE (Ph_2P(CH_2)_nPPh_2,n = 2) complex, 4-(o-styryl)-3-buten-2-one was obtained in 51% yield. The reaction of 1 in the presence of Rh(I)-DPPP (n=3) complex afforded benzobicyclo[3.2.1]octan-3-one in 81% yield. Decarbonylation of 1 occurred in the presence of Rh(I)-DPPB (n=4) complex to give 1-isopropenyl-2-vinylbenzene in 93% yield. 2-(o-Styryl)cyclobutanone underwent intramolecular olefin insertion reaction in the presence of Rh(I)-P(o-MeOC_6H_4)_3 complex to furnish eight-membered ring unsaturated ketones in 75% yield.
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  • 财政年份：
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    $3.0万
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  • 依托单位：
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  • 批准号：
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  • 项目类别：
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  • 资助金额：
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