A SHORT-STEP SYNTHESIS OF ONYCHINE AND THE RELATED 4-AZAFLUORENONES ⁢VIA⁢ HETERO DIELS-ALDER REACTION OF 5-SUBSTITUTED ISOTELLURAZOLES

被引：5
|
作者：
Taneichi, Yusuke [1 ]
Shimada, Kazuaki [1 ]
Korenaga, Toshinobu [1 ]
机构：
[1] Iwate Univ, Fac Sci & Engn, Dept Chem & Biosci, Morioka, Iwate 0208551, Japan
来源：
HETEROCYCLES | 2018年 / 96卷 / 03期
关键词：
POLYCYCLIC AROMATIC ALKALOIDS; TROPICAL MEDICINAL-PLANTS; AZAFLUORENONE ALKALOIDS; CONVENIENT SYNTHESIS; GRIGNARD-REAGENTS; FORMAL SYNTHESIS; EUPOLAURIDINE; ANNONACEAE; CYCLOADDITION; CONSTITUENTS;
D O I：
10.3987/COM-17-13865
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Synthesis of onychine and the related 4-azafluorenones was achieved from 5-substituted isotellurazoles through a two-step procedure involving hetero Diels-Alder reaction with methyl phenylpropiolate and the subsequent Friedel-Crafts ring closure of the resulting pyridine derivatives.
引用
收藏
页码：440 / 451
页数：12
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