Enantioselective syntheses of (+)- and (-)-brazilin

被引:14
作者
Javed, Umair [1 ]
Karim, Moinul [1 ]
Jahng, Katherine C. [2 ]
Park, Jae-Gyu [3 ]
Jahng, Yurngdong [1 ]
机构
[1] Yeungnam Univ, Coll Pharm, Kyongsan 712749, South Korea
[2] Univ Iowa, Dept Biochem, Iowa City, IA 52242 USA
[3] Pohang Technopk, Pohang 790834, South Korea
关键词
H-AE-MATOXYLIN; ANTIBACTERIAL PRINCIPLE; BRAZILIN; (+/-)-BRAZILIN; CONSTITUTION; DERIVATIVES; WOOD;
D O I
10.1016/j.tetasy.2014.08.009
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two enantiomers of brazilin were prepared in 9 steps from 7-hydroxychroman-4-one using the AD-mix-alpha and AD-mix-beta-directed enantioselective dihydroxylation of 3-(4-hydroxy-3-methoxy-phenyl)-2H-chromen-7-ol as a key step. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1270 / 1274
页数:5
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