Total Synthesis of Q-Chamigrene and β-Chamigrene

Total Synthesis of Q -Chamigrene and β-Chamigrene

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摘要 α-Chamigrene (12) and β -chamigrene (15) were synthesized via a useful synthon in the synthesis of chamigrene-type sesquiterpenes, i.e., 1-methoxycarbonyl 5,5,9-trimethyl spiro[ 5, 5]undeca-1, 8-dien-3-one(6),which had been prepared from a retro-aldol rearrangement product of proto- [2 +2] photocycloadducts obtained by means of Photoaddition reaction of terpinolene with methyl 2,4-dioxopentanoate α-Chamigrene (12) and β -chamigrene (15) were synthesized via a useful synthon in the synthesis of chamigrene-type sesquiterpenes, i.e., 1-methoxycarbonyl 5,5,9-trimethyl spiro[ 5, 5]undeca-1, 8-dien-3-one(6),which had been prepared from a retro-aldol rearrangement product of proto- [2 +2] photocycloadducts obtained by means of Photoaddition reaction of terpinolene with methyl 2,4-dioxopentanoate

作者 Jin Jun WANG Lian Hai XUE Jun QIU Guang Quan WANG (Department of Chemistry, Jilin Chemical Engineering College, Jilin, 132002)

出处《Chinese Chemical Letters》 SCIE CAS CSCD 1997年第10期865-868,共4页 中国化学快报（英文版）

关键词 Chamigrene Total Synthesis of Q-Chamigrene and NACL

分类号 O621 [理学—有机化学]

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Chinese Chemical Letters

1997年第10期

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Total Synthesis of Q-Chamigrene and β-Chamigrene

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