Larson & Taylor
Fluorooxetane compound and process for its preparation
 The present invention provides processes for preparing 2,2,3,3,4-pentafluorooxetane and/or 2,2,3,3,4,4-hexafluorooxetane which comprises reacting 2,2,3,3-tetrafluorooxetane with fluorine gas, the process inhibiting decomposition of the oxetane ring during the reaction and producing a reduced amount of by-products. 
Daikin Industries, Ltd.
C
C07D
inventional
Hirokazu Tatsuya
Aoyama Otsuka