METHOD OF PRODUCING ETHYNYL COMPOUND, METHOD OF HANDLING ETHYNYL COMPOUND, AND METHOD OF USING ASCORBIC ACID OR SALT THEREOF

摘要

A method of producing a first ethynyl compound represented by the following formula (1), the method including reacting a second ethynyl compound represented by the following formula (2) in a liquid phase in the presence of a reducing agent to obtain the first ethynyl compound, wherein Q¹ represents an organic group; R¹ and R² each independently represent a hydrogen atom or a hydrocarbon group; and R¹ and R² may be bonded to each other.