Stereoselective reduction of arteannuin B and its chemical transformations

被引:12
作者
Bhattacharya, AK [1 ]
Pal, M
Jain, DC
Joshi, BS
Roy, R
Rychlewska, U
Sharma, RP
机构
[1] Cent Inst Med & Aromat Plants, Phytochem Technol Div, PO CIMAP, Lucknow 226015, Uttar Pradesh, India
[2] Cent Drug Res Inst, RSIC Div, Lucknow 226001, Uttar Pradesh, India
[3] Adam Mickiewicz Univ Poznan, Fac Chem, PL-60780 Poznan, Poland
[4] Univ Lucknow, Dept Chem, Lucknow 226007, Uttar Pradesh, India
关键词
Artemisia annua; antimalarial; artemisinin; arteannuin B; chemical transformations;
D O I
10.1016/S0040-4020(03)00330-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Absolute stereochemistry of dihydroarteannuin B 5 obtained by the reduction of arteannuin B 3 with Ni2B, NaBH4 or CdCl2-Mg-MeOH-H2O has been established by 2D NMR and single crystal X-ray diffraction studies. Some experiments aimed at the synthesis of dihydrodeoxyarteannuin B [C-4, 5 double bond isomer of 11] are also discussed. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2871 / 2876
页数:6
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