Synthetic Route of 4865-84-3, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. In a Patent£¬once mentioned of 4865-84-3
Process for the preparation of 1,2-benzisoxazole-3-acetic acid
The present invention provides a process for preparing 1,2-benzisoxazole-3-acetic acid, comprising the step of reacting 4-hydroxy-coumarin with hydroxyl-amine in the presence of a base. The present invention further provides a process for preparing a salt of benzisoxazole methane sulfonic acid, comprising the steps of 1) sulfonating 1,2-benzisoxazole-3-acetic acid using chlorosulfonic acid in a solvent mixture comprising methylene chloride and sodium hydroxide; and 2) isolating the salt of benzisoxazole methane sulfonic acid.
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Reference£º
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics