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Pd-catalyzed cascade cyclization of allenylethylene carbonates and indandiones: Synthesis of tetracyclic dihydrocyclopentaindenofuranone derivatives
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作者 Yujie Dong Jun Liu +6 位作者 Xing Gao Ting Pan Biming Mao Songcheng Yu Yongjun Wu Cheng Zhang hongchao guo 《Chinese Chemical Letters》 SCIE CAS CSCD 2023年第10期131-134,共4页
A palladium-catalyzed cascade cyclization of allenylethylene carbonates with 1,3-indandiones was developed, providing biologically interesting tetracyclic dihydrocyclopentaindenofuranone derivatives having three conti... A palladium-catalyzed cascade cyclization of allenylethylene carbonates with 1,3-indandiones was developed, providing biologically interesting tetracyclic dihydrocyclopentaindenofuranone derivatives having three contiguous quaternary carbon centers in moderate to high yields with excellent diastereoselectivities. In this reaction, the allene moiety was fully fused into the cyclopentene ring. 展开更多
关键词 PALLADIUM Allenylethylene carbonates Indandiones Cascade cyclization DECARBOXYLATION
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Double[3+2] cycloaddition of nitrile oxides with allenoates:Synthesis of spirobidihydroisoxazoles
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作者 Wei Sun Feng Jiang +4 位作者 Honglei Liu Xing Gao Hao Jia Cheng Zhang hongchao guo 《Chinese Chemical Letters》 SCIE CAS CSCD 2019年第2期363-366,共4页
The double [3 + 2] cycloaddition of allenoates with nitrile oxides is presented. The reaction worked well under mild reaction conditions to give the spirobidihydroisoxazole in moderate to excellent yields with excelle... The double [3 + 2] cycloaddition of allenoates with nitrile oxides is presented. The reaction worked well under mild reaction conditions to give the spirobidihydroisoxazole in moderate to excellent yields with excellent diastereoselectivities. The two dihydroisoxazole rings have been formed via a sequential double [3 + 2] cycloaddition. 展开更多
关键词 CYCLOADDITION ALLENOATE NITRILE OXIDE SPIROCYCLIC heterocyle
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