Title:
PROCESS FOR PREPARING ETHANEBIS(METHYLPHOSPHINIC) ACID
Document Type and Number:
Japanese Patent JP2002308891
Kind Code:
A
Abstract:
To provide an extremely easy process for economically preparing ethanebis(methylposphinic) acid which yields a pure product in a high yield and especially omits the troublesome cleavage of diphosphinic ester.
The process for preparing ethanebis(methylposphinic) acid comprises a reaction between ethyne(acethylene) and methyl phosphonite.
Inventors:
SICKEN MARTIN
SCHMITZ HANS-PETER
SCHMITZ HANS-PETER
Application Number:
JP2001301441A
Publication Date:
October 23, 2002
Filing Date:
September 28, 2001
Export Citation:
Assignee:
CLARIANT GMBH
International Classes:
C09K21/12; C07F9/30; C08K5/5313; C08L101/00; (IPC1-7): C07F9/30; C08K5/5313; C08L101/00; C09K21/12
Attorney, Agent or Firm:
Mitsufumi Ezaki (3 others)
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