THE DIELS-ALDER REACTION OF PYRIDAZINONES AS DIENOPHILES

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作者
MATYUS, P
FUJI, K
TANAKA, K
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O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The Diels-Alder reaction of 5-iodo- (1a) and 5-ethylsulfonyl-2-methyl-3(2H)-pyridazinone (1b) with 2,3-dimethyl-1,3-butadiene afforded phthalazinone (3) and dihydrophthalazinone (2) as isolable products, respectively. The cycloadditions are well interpreted by the theoretical considerations based on the calculated AM1 data.
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页码:1975 / 1978
页数:4
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