Chroman-6-ol derivatives useful for stabilizing plastics
    3.
    发明授权
    Chroman-6-ol derivatives useful for stabilizing plastics 失效
    可用于稳定塑料的色甘醇-6-醇衍生物

    公开(公告)号:US4374258A

    公开(公告)日:1983-02-15

    申请号:US343762

    申请日:1982-01-28

    摘要: Novel chroman derivatives ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.5 is sec.--C.sub.3 -C.sub.8 --alkyl or tert.--C.sub.4 -C.sub.8 --alkyl, R.sup.6 is H or R.sup.5, m is 1, 2 or 3, and n is 0, 1, 2 or 3, a process for the preparation of these compounds, and their use as stabilizers for plastics.

    摘要翻译: 新的苯并二氢吡喃衍生物其中R 1,R 2,R 3和R 4各自为H或C 1 -C 4 - 烷基,R 5为C 3 -C 8 - 烷基或C 4 -C 8 - 烷基,R 6为H或R 5 ,m为1,2或3,n为0,1,2或3,这些化合物的制备方法及其作为塑料稳定剂的用途。