Total Syntheses of Rhodiolosides A and D and of Sachalinols A-C

被引:5
|
作者
Simon, Kristina [1 ,2 ,3 ]
Jones, Peter G. [1 ,2 ,3 ]
Lindel, Thomas [1 ,2 ,3 ]
机构
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Organ, D-38106 Braunschweig, Germany
[2] Tech Univ Carolo Wilhelmina Braunschweig, Inst Inorgan, D-38106 Braunschweig, Germany
[3] Tech Univ Carolo Wilhelmina Braunschweig, Inst Analyt Chem, D-38106 Braunschweig, Germany
关键词
Glucosylation; Natural products; Rosiridol; Terpenoids; Oxygen heterocycles; Total synthesis; ABSOLUTE-CONFIGURATION; STEREOCHEMISTRY; MONOTERPENES; METABOLITES; ANALOGS;
D O I
10.1002/ejoc.201001315
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The glucosylated monoterpenoids (-)-rhodioloside A and (-)-rhodioloside D from the roseroot (Rhodiola rosea) have been synthesized for the first time. Glucosylation with tetrapivaloylglucosyl bromide proved superior to the use of tetraacetylglucosyl bromide or glucosyl iodides. Acid-catalyzed cyclization of a homoglycidol-type geraniol derivative afforded the monoterpenoid tetrahydrofuran (+)-sachalinol C from Rhodiola sachalinensis. The absolute configuration of (+)-sachalinol C requires revision. (-)-Sachalinol A and (-)-sachalinol B were also obtained.
引用
收藏
页码:1493 / 1503
页数:11
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