Substituted trioxanes
    7.
    发明授权
    Substituted trioxanes 失效
    取代三溴化物

    公开(公告)号:US3560526A

    公开(公告)日:1971-02-02

    申请号:US3560526D

    申请日:1968-08-02

    Applicant: OLIN MATHIESON

    CPC classification number: C07D323/04

    Abstract: SUBSTITUTED TRIOXANES HAVING THE FORMULA

    TRIS((R-)2-C=)-1,3,5-TRIOXANE

    WHEREIN R IS HYDROGEN, HALOGEN, CYANO, ALKYL OR ARYL ARE PREPARED BY DEHYDROHALOGENATION OF SELECTED A-HALOALDEHYDES. THESE SUBSTITUTED TRIOXANES ARE USEFUL AS END-CAPPING REAGENTS FOR POLYACETAL RESINS AND AS ACETYLATING AGENTS FOR ALCOHOLS, AMINES, ACIDS, ETC.; THEY ARE ALSO VALUABLE SOURCES FOR MONOMERIC KETENES.

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