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1.
公开(公告)号:EP2350103A1
公开(公告)日:2011-08-03
申请号:EP09740274.7
申请日:2009-10-21
申请人: Lonza Ltd
IPC分类号: C07F9/6571
CPC分类号: C07F9/657136
摘要: Organic dithiopyrophosphates of formula wherein R
1 , R
2 , R
3 , R
4 and R
5 independently are hydrogen, C
1-4 alkyl, chloromethyl or bromomethyl, are prepared in a two-step process from the corresponding 1,3-diols and thiophosphoryl chloride, using 3-methylpyridine both as solvent and as base.