1,3-DIPOLAR CYCLOADDITION SYNTHESES OF 3,3'-BI(2-PYRAZOLINES), 3,3'-BIPYRAZOLES AND 3,3'-BI(1,2,4-TRIAZOLES)

被引：0
|
作者：
FARAG, AM
SHAWALI, AS
ABED, NM
DAWOOD, KM
机构：
来源：
GAZZETTA CHIMICA ITALIANA | 1993年 / 123卷 / 08期
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
3,3'-bi(2 -pyrazolines), 4, 6 and 8, and 3,3'-bi(1,2,4-triazolo[3,4-a]isoquinolines), 13-16, have been prepared in good yields via 1,3-dipolar cycloaddition reactions of bis(arylnitrilimines), 3, with acrylonitrile, acrylamide, benzalacetophenone and 3,4-dihydroisoquinolines, 12, respectively. 3,3'-bipyrazoles 10 and 11 have been prepared in excellent yields by reaction of 3 with dibenzoylmethane and benzoylacetonitrile, respectively. The regiochemistry of the cycloadducts is discussed
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页码：467 / 470
页数：4
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