Production of 3-sulfopropionic anhydride
    1.
    发明授权
    Production of 3-sulfopropionic anhydride 失效
    生产3-磺基丙酸酐

    公开(公告)号:US3902980A

    公开(公告)日:1975-09-02

    申请号:US45757874

    申请日:1974-04-02

    Applicant: BASF AG

    CPC classification number: B01J19/122 B29C2793/00 C07D327/04

    Abstract: Production of 3-sulfopropionic anhydride by reaction of propionic acid with chlorine and sulfur dioxide in specific proportions with irradiation. The 3-sulfopropionic anhydride prepared by the process of the invention is a valuable starting material for the production of dyes, pesticides and fibers.

    Abstract translation: 通过丙酸与氯和二氧化硫的反应以特定比例的照射生产3-磺基丙酸酐。 通过本发明方法制备的3-磺基丙酸酐是用于生产染料,农药和纤维的有价值的起始原料。

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