Method for synthesizing methyl nonafluoroisobutyl ether

• Main Authors: ZHONG YANG, ZHANG ZHIKAI, ZHANG HUA, ZHU JIANFEI, XU YINZI
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The invention discloses a method for synthesizing methyl nonafluoroisobutyl ether, which comprises the following steps: (1) catalyzing carbon tetrachloride (the molecular formula is CCl4) and 1, 1, 3, 3, 3-pentafluoropropylene (the molecular formula is CF3CH = CF2) in an aprotic solvent under the assistance of a catalyst and a cocatalyst to generate 1, 1, 1, 3-tetrachloro-3, 3-difluoro-2-trifluoromethyl propane; (2) enabling the 1, 1, 1, 3-tetrachloro-3, 3-difluoro-2-trifluoromethyl propane to react with methanol (the molecular formula is CH3OH) under the action of a catalyst to generate 1, 1, 3-trichloro-3, 3-difluoro-1-methoxy-(2-trifluoromethyl) propane, and enabling the 1, 1, 1, 3-tetrachloro-3, 3-difluoro-2-trifluoromethyl propane to react with methanol (the molecular formula is CH3OH) to generate 1, 1, 3-trichloro-3, 3-difluoro-1-methoxy-(2-trifluoromethyl) propane; (3) carrying out a photochlorination reaction on the 1, 1, 3-trichloro-3, 3-difluoro-1-methoxy-(2-trifluoromethyl) propane to generate 1, 1