Ene reactions of arylmethylenedihydropyrazoles with 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione

被引：0
|
作者：
Klimova, EI
Martinez, GM
Klimova, BT
Damian, ZC
Ortega, S
Mendez, ID
Gutiérrez, PR
Vazquez, GRA
机构：
[1] Univ Nacl Autonoma Mexico, Inst Quim, Mexico City 04510, DF, Mexico
[2] Univ Nacl Autonoma Mexico, Fac Quim, Mexico City 04510, DF, Mexico
[3] Univ Autonoma Puebla, Fac Ciencias Quim, Ctr Invest, Puebla 72570, Pue, Mexico
来源：
SYNTHESIS-STUTTGART | 2002年 / 13期
关键词：
chalcones; Diels-Alder reactions; ene reactions; dihydropyrazoles;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
2-Acetyl-3-aryl-7-arylmethylene-3,4,5,6,7,9-hexahydro-2H-indazoles enter into the ene reaction with 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione to give the corresponding monoene adducts. Under analogous conditions, 3-aryl-7-arymethylene-2-methyl-3,4,5,6,7,9-hexahydro-2H-indazoles give mono- and polyaddition products. The structures of compounds obtained were established using UV, IR, H-1 and C-13 NMR spectroscopy and X-ray diffraction analysis.
引用
收藏
页码：1891 / 1897
页数：7
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