3.
    发明专利
    未知

    公开(公告)号:DE50200179D1

    公开(公告)日:2004-02-05

    申请号:DE50200179

    申请日:2002-01-11

    Applicant: DEGUSSA

    Abstract: Production of 3-functionalized propyl silanes (I) by reacting allylic compounds (II) with silanes (III) at 0-200 degrees C and 0.8-25 bar in the presence of a platinum catalyst comprises using a (III):(II) molar ratio of 3-100. Production of 3-functionalized propyl silanes (I) by reacting allylic compounds of formula (II) with silanes of formula (III) at 0-200 degrees C and 0.8-25 bar in the presence of a platinum catalyst comprises using a (III):(II) molar ratio of 3-100:1 H2C=CH-CH2X (II) R R R SiH (III) X = Cl, Br, I, F, CN, SCN, SH, SR, OH, NRR or OR; R, R = 1-6C alkyl or 3-7C alkyl (sic); and R -R = H, halogen, 1-6C alkyl, 1-6C haloalkyl, 3-6C allyl (sic), 1-4C alkoxy, phenyl, aryl or aralkyl.

    5.
    发明专利
    未知

    公开(公告)号:DE59710608D1

    公开(公告)日:2003-09-25

    申请号:DE59710608

    申请日:1997-11-14

    Applicant: DEGUSSA

    Abstract: A method for the preparation of bis(silyl-organyl)-poly-sulphane of formula (I) comprises reacting halo(alkyl)alkoxysilane of formula (II) with a polysulphide of formula (III): (R R R SiR )2Sx (I) R R R SiR X (II) M2Sx (III) R -R = 1-8C alkyl, 1-8C alkoxy or aryl (preferably phenyl, toluyl or benzyl); R = 1-8 (1-4)C alkylidene or (CH2)n-C6H4-(CH2)n-; n = 1-4; x = greater than 1 (2-8) for (I), or 2-8 for polysulphide; X = halogen, eg. Cl, Br or I; and M = alkali metal cation or an alkaline earth metal or zinc cation equivalent, with the provision that at R -R

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