申请人:SANOFI
公开号:US20130165674A1
公开(公告)日:2013-06-27
The disclosure relates to a process for preparing benzofuran derivatives of general formula I:
in which R, R
1
, and R
2
are as defined in the disclosure; by coupling the hydroxylamine with a diketone of general formula III:
in order to form an oxime that is then cyclized by heating in order to form the desired compound.
该披露涉及一种制备一般式I的苯并呋喃衍生物的过程:其中R、R1和R2如披露中定义;通过将羟胺与一般式III的二酮偶联,以形成氧胺,然后通过加热环化以形成所需化合物。