Efficient and Practical Syntheses of Benzothiopyran Derivatives
摘要:
Concise and inexpensive methods for the preparation of 4-hydroxy-1-thiocoumarin and 2-methylthiochromone from 2-mercaptobenzoic acid are described, which should be readily amenable to large scale synthesis.
Efficient and Practical Syntheses of Benzothiopyran Derivatives
摘要:
Concise and inexpensive methods for the preparation of 4-hydroxy-1-thiocoumarin and 2-methylthiochromone from 2-mercaptobenzoic acid are described, which should be readily amenable to large scale synthesis.