Patent ID: 7501545
Filing Date: 2009-03-10
Classification: C08F

Abstract:
1. A method of producing a compound represented by formula (IV), comprising: <Step 1>, <Step 2>, and <Step 3-1>, each described below: <Step 1> subjecting a compound represented by formula (I) to fluorination, to obtain a compound represented by formula (II); <Step 2> subjecting the compound represented by formula (II) to at least one of thermal decomposition and hydrolysis, to obtain a compound represented by formula (III-A) or (III-B); and <Step 3-1> subjecting the compound represented by formula (III-A) or (III-B) to thermal decomposition, to obtain the compound represented by formula (IV):  wherein, in formula (I), R  wherein, in formula (II), R  wherein, in formula (III-A), X  wherein, in formula (III-B), X  wherein, in formula (IV), R