THE PREPARATION OF SUBSTITUTED 3,4-DIHYDRO-1H-2-BENZOPYRAN-1-ONES FROM THE DIANIONS OF ORTHO-TOLUIC ACIDS

被引:14
作者
HILDEBRAN, KC [1 ]
CORDRAY, TL [1 ]
CHAN, KW [1 ]
BEAM, CF [1 ]
机构
[1] COLL CHARLESTON,DEPT CHEM,CHARLESTON,SC 29424
关键词
D O I
10.1080/00397919408011300
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The dianions of ortho-toluic and alpha-phenyl-ortho-toluic acids were prepared with lithium diisopropylamide (LDA), condensed with certain aldehydes or ketones, and the resulting intermediates were acid-cyclized to substituted 3,4-dihydro-1H-2-benzopyran-1-ones (dihydroisocoumarins).
引用
收藏
页码:779 / 788
页数:10
相关论文
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