Synthesis of spiropyrazolines via 1,3-dipolar cycloaddition of nitrilimines

被引：23
|
作者：
Jedlovská, E [1 ]
Lévai, A
Tóth, G
Balázs, B
Fisera, L
机构：
[1] Slovak Univ Technol Bratislava, Dept Organ Chem, SK-81237 Bratislava, Slovakia
[2] Lajos Kossuth Univ, Dept Organ Chem, H-4010 Debrecen, Hungary
[3] Tech Univ Budapest, Inst Gen & Analyt Chem, Tech Anal Res Grp, Hungarian Acad Sci, H-1111 Budapest, Hungary
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 1999年 / 36卷 / 04期
关键词：
D O I：
10.1002/jhet.5570360442
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The regio- and stereoselective synthesis of spiropyrazolines 7 and 8 via 1,3-dipolar cycloaddition of C-2-(5-nitrofuryl)-N-methylnitrilimine, C-2-(5-nitrofuryl)-N-phenylnitrilimine and C-4-nitrophenyl-N-methylnitrilimine to (E)-3-benzylidenechromanone (1), -1-thiochromanone 2, -1-tetralone 3 and (E)-3-benzylidene-flavanone (4) is reported. The relative configuration and conformations of the spiropyrazolines were elucidated by various nmr methods.
引用
收藏
页码：1087 / 1090
页数：4
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