NOVEL ALPHA-FLUOROMETHOXYCARBOXYLIC ESTER, PROCESS FOR PRODUCING THE ALPHA-FLUOROMETHOXYCARBOXYLIC ESTER, AND PROCESS FOR PRODUCING SEVOFLURANE
申请人:Ohtsuka Tatsuya
公开号:US20100010255A1
公开(公告)日:2010-01-14
The present invention provides a novel α-fluoromethoxycarboxylic ester represented by Formula (1): (CF
3
)
2
C(OCH
2
F)COOR wherein R is a hydrocarbon group that may have a substituent; a process for producing 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether, the process including hydrolyzing and decarboxylating the α-fluoromethoxycarboxylic ester; and a process for producing an α-fluoromethoxycarboxylic ester represented by Formula (1): (CF
3
)
2
C (OCH
2
F)COOR, the process including reacting an α-hydroxycarboxylic ester represented by Formula (2): (CF
3
)
2
C(OH)COOR with a halofluoromethane in the presence of an alkaline compound. According to the present invention, 1,1,1,3,3,3-hexafluoroisopropyl fluoromethyl ether (sevoflurane), which is known as an anesthetic compound, can be efficiently produced at low cost.
本发明提供了一种新型的α-氟甲氧基羧酸酯,化学式表示为(1):(CF3)2C(OCH2F)COOR,其中R是一个可能具有取代基的碳氢基团;一种用于生产1,1,1,3,3,3-六氟异丙基氟甲基醚的方法,该方法包括水解和脱羧α-氟甲氧基羧酸酯;以及一种用于生产化学式(1)所表示的α-氟甲氧基羧酸酯的方法,该方法包括在碱性化合物存在下将化学式(2)所表示的α-羟基羧酸酯与卤代氟甲烷反应。根据本发明,可以以低成本高效地生产1,1,1,3,3,3-六氟异丙基氟甲基醚(七氟醚),该化合物被用作麻醉剂。