ORTHO-(ALPHA-BENZOTRIAZOLYLALKYL)PHENOLS - NOVEL PRECURSORS OF ORTHO-QUINONE METHIDES

被引：0
|
作者：
KATRITZKY, AR [1 ]
LAN, XF [1 ]
机构：
[1] UNIV FLORIDA,CTR HETEROCYCL CPDS,GAINESVILLE,FL 32611
来源：
SYNTHESIS-STUTTGART | 1992年 / 08期
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D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
1-[alpha-(Benzotriazol-1-yl)alkyl]-2-napthols and 2-[(benzotriazol-1-yl)-methyl]phenols have been shown to lose a molecule of benzotriazole to generate o-quinone methides, which can be trapped with electron-rich olefins (ethyl vinyl ether, 1-vinyl-2-pyrrolidinone) to afford chroman derivatives, i.e. 2,3-dihydro-1H-naphtho[2,1-b]pyrans and 3,4-dihydro-2H-1-benzopyrans, respectively.
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页码：761 / 764
页数：4
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