反应详情

A solution of 3-cyclopentylthio-4-methoxybenzoic acid (9 g; that is prepared as described in Reference Example 46) in dry dichloromethane (90 mL) under nitrogen is treated with oxalyl chloride (6.2 mL). After stirring at room temperature for 2 hours, the mixture is evaporated and dried under high vacuum, to give 3-cyclopentylthio-4-methoxybenzoyl chloride.

1. customthat is prepared
2. customthe mixture is evaporated
3. customdried under high vacuum