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- W2387568500 abstract "The substituted aniline as the starting material reacted with chloral hydrate and hydroxylamine hydrochloride to form isonitroacet aniline(2a-2e),then 2a-2e were cyclized in the concentrated sulfuric acid and hydrolyzed to give isatins(3a-3d) in overall yields of 65.9%-80.3%.The overall yield of 3e was 39.5%.As the key step of Sandmeyer reaction,the conditions of synthesis of 2a2e were optimized and the optimal conditions were established as follows: the reaction temperature 85℃,the reaction time 1.5-2.5h." @default.
- W2387568500 created "2016-06-24" @default.
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- W2387568500 date "2009-01-01" @default.
- W2387568500 modified "2023-09-23" @default.
- W2387568500 title "Synthesis of substituted isatins with improved technology" @default.
- W2387568500 hasPublicationYear "2009" @default.
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