Development of intramolecular oxidative phenolic coupling reactions using hypervalent iodine (III) reagents and their application to the synthesis of Amaryllidaceae alkaloids

被引:19
作者
Arisawa, M [1 ]
Tohma, H [1 ]
Kita, Y [1 ]
机构
[1] Osaka Univ, Grad Sch Pharmaceut Sci, Suita, Osaka 5650871, Japan
来源
YAKUGAKU ZASSHI-JOURNAL OF THE PHARMACEUTICAL SOCIETY OF JAPAN | 2000年 / 120卷 / 10期
关键词
hypervalent iodine (III) reagent; phenolic coupling reactions; galanthamine-type Amaryllidaceae alkaloids; (+/-)-galanthamine; (+/-)-narwedine; (+/-)-sanguinine;
D O I
10.1248/yakushi1947.120.10_1061
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Hypervalent iodine (III) reagents nowadays are used extensively in the field of organic chemistry. Especially, phenyliodine (III) diacetate (PIDA) or phenyliodine (III) bis(trifluoroacetate) (PIFA) have received much attention because of their reactivities similar to heavy metal reagents or anodic oxidation, low toxicity, ready availability and easy handling. In the continuous study of our oxidative phenolic coupling reactions using a hypervalent iodine (III) reagents, a versatile synthetic procedure for the galanthamine-type Amaryllidaceae alkaloids was accomplished. The first total synthesis of (+/-)-sanguinine and the total syntheses of (+/-)-galanthamine, (+/-)-narwedine, (+/-)-lycoramine, and (+/-)-norgalanthamine were also successfully carried out.
引用
收藏
页码:1061 / 1073
页数:13
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