吡啶
化学
醋酸酐
衍生工具(金融)
溴化物
水解
氯化物
药物化学
立体化学
有机化学
催化作用
金融经济学
经济
作者
Gurnos Jones,John R. Phipps
出处
期刊:Journal of the Chemical Society
日期:1974-01-01
卷期号:: 158-158
被引量:8
摘要
When 4,5,6,7-tetrahydro-4-hydroxyiminoisoxazolo[2,3-a]pyridinium chloride (5) or bromide (6) was heated with acetic anhydride, rearrangement to the corresponding 4-acetyl-7-halogeno-5,6-dihydro-4H-pyrrolo[3,2-b]-pyridin-2(1H)-one (9) or (8) occurred. The bromo-derivative (8) was hydrogenated to give a debrominated dihydro-derivative (10), and hydrolysed to the deacetylated derivative (11). Mechanisms for the rearrangement are suggested.
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