DIENONES

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Synthesis of 4-Desmethyl-Rippertenol and 7-Epi-Rippertenol via Photoinduced Cyclization of Dienones
《CCS Chemistry》2021年第9期2074-2083,共10页Zi-Chun Zhang Dan-Dan Zhao Zhong-Chao Zhang Xin-Yu Tan Jian-Xian Gong Jun-Kai Fu Zhen Yang 
supported by the National Key Research and Development Program of China(grant no.2018YFC0310905);the National Science Foundation of China(grant nos.21632002,21871012,and 21801123);the Shenzhen Basic Research Program(grant nos.JCYJ20180302180215524 and JCYJ20170818091450164).
The synthesis of cycloheptanoid-based fused polycyclic frameworks is a challenge for organic chemists due to unfavorable entropic factors and ring strains.Herein,a concise synthesis of 4-desmethyl-rippertenol and 7-ep...
关键词：seven-memberedring photoinduced cycli-zation DIENONE rippertenol 1 5-hydrogenmigration 
Palladium-Catalyzed Aminomethylation of Nitrodienes and Dienones via Double C-N Bond Activation
《Chinese Journal of Chemistry》2021年第3期566-570,共5页Bangkui Yu Bao Gao Xuexia Zhang Haocheng Zhang Hanmin Huang 
the National Natural Science Foundation of China(Nos.21672199,21790333,21925111 and 21702197);the Fundamental Research Funds for the Central Universities(No.WK2060190086).
Main observation and conclusion A new strategy for the generation of the active Pd-alkyl species from aminal via C-N bond activation has been established,in which the formation of zwitterionic intermediate through aza...
关键词：AMINOMETHYLATION Nitrodienes DIENONES AMINALS C-N bond activation 
Organocatalytic Asymmetric Double Michael Reaction of Benzofuranone with Dienones to Construct Spirocyclic Benzofuranones
《Chinese Journal of Chemistry》2012年第11期2703-2706,共4页罗西娅 汪亮完 彭林 摆建飞 贾利娜 田芳 徐小英 王立新 
Acknowledgement This work was supported by National Natural Science Foundation of China （Nos. 20802075 and No. 21042006）.
The enantioselective double Michael reaction of benzofuranone with dienones catalyzed by Cinchona-based primary amines was developed. A number of optically active spirocyclic benzofuranones were obtained in up to 89% ...
关键词：double Michael reaction spirocyclic compounds BENZOFURANONE ORGANOCATALYSIS 
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