Title:
【発明の名称】N-ホスホノメチルグリシンの有機塩の製造方法
Document Type and Number:
Japanese Patent JPH06508110
Kind Code:
A
Abstract:
A compound of formula (I) (I) where R1, R2, and R3 are alkyl or aralkyl or any two of R1, R2, and R3 together form a cycloalkyl ring and Y is S or S(O) is prepared by reacting N-phosphonomethylglycine with a compound of formula (II) (II) where m is 0 or 1 in the presence of a base. A preferred compound of formula (I) is trimethylsulphonium N-phosphonomethylglycine and a preferred compound of formula (II) is trimethylsulphonium hydrogen sulphate.
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Inventors:
Jyons, Raymond, Vincent, Hepburn
Simpson, Elizabeth, Sierra, Kyurie
Simpson, Elizabeth, Sierra, Kyurie
Application Number:
JP50889692A
Publication Date:
September 14, 1994
Filing Date:
May 08, 1992
Export Citation:
Assignee:
IMPERIAL CHEMICAL INDUSTRIES PLC
International Classes:
A01N57/20; C07F9/38; (IPC1-7): C07F9/38; A01N57/20
Attorney, Agent or Firm:
Shigeru Yagita (2 outside)