An Efficient Synthesis of Phenanthroindolizidine Core via Hetero Diels-Alder Reaction of In Situ Generated α-Allenylchalcogenoketenes With Cyclic Imines

被引:0
|
作者
Shimada, Kazuaki [1 ]
Suzuki, Mariko [1 ]
Yahaba, Kohei [1 ]
Aoyagi, Shigenobu [1 ]
Takikawa, Yuji [1 ]
Korenaga, Toshinobu [1 ]
机构
[1] Iwate Univ, Fac Sci & Engn, Dept Chem, Morioka, Iwate 0208551, Japan
关键词
alkynyl propargyl sufide; alkynyl propargyl selenide; alpha-allenylthioketene; alpha-allenylselenoketene; hetero Diels-Alder reaction; indolizidine; phenanthroindolizidine; PHENANTHROQUINOLIZIDINE ALKALOIDS; INDOLIZIDINE; QUINOLIZIDINE; CYCLIZATION; ALLENYLTRIMETHYLSILYLTHIOKETENES; PHOTOCYCLIZATION; CYCLOADDITION; PHENANTHRENE; CHEMISTRY; REAGENTS;
D O I
10.1177/1934578X19857489
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Synthesis of phenanthroindolizidine core was efficiently achieved through a pathway involving hetero Diels-Alder reaction of alpha-allenylchalcogenoketenes, generated in situ by thermal [3,3] sigmatropic rearrangement of alkynyl propargyl sulfides or selenides, with cyclic imines and the subsequent iodine-assisted photochemical cyclization.
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页数:13
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