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    Tanning agents and preservatives
    2.
    发明申请
    Tanning agents and preservatives 失效
    鞣制剂和防腐剂

    公开(公告)号：US20060053564A1

    公开(公告)日：2006-03-16

    申请号：US10543605

    申请日：2004-01-22

    申请人： Stephan Huffer ,  Gunter Sherr ,  Oliver Reese

    发明人： Stephan Huffer ,  Gunter Sherr ,  Oliver Reese

    IPC分类号： C14C3/00 ,  C14C1/08 ,  C14C9/00

    CPC分类号： C07D307/32 ,  C07D309/30 ,  C14C3/18 ,  C14C9/02

    摘要： Aqueous formulations are prepared by a process wherein at least one cyclic compound of the formula I is heated in the presence of water and of an acidic catalyst and, during or after the heating, H—X—R3 is at least partially separated off, where, in formula I, X is selected from oxygen, sulfur and N—R6, R3 and R6 are identical or different and are selected from C1-C12-alkyl, C3-C12-cycloalkyl, substituted or unsubstituted, C7-C13-aralkyl, C6-C14-aryl, substituted or unsubstituted, formyl, CO—C1-C12-alkyl, CO—C3-C12-cycloalkyl, substituted or unsubstituted, CO—C7-C13-aralkyl, CO—C6-C14-aryl, where, if X is N—R6, R3 and R6 may be linked to one another with formation of a ring; R1, R2 and R4 are identical or different and are selected from hydrogen, C1-C12-alkyl, C3-C12-cycloalkyl, substituted or unsubstituted, C7-C13-aralkyl, C6-C14-aryl, substituted or unsubstituted, it being possible in each case for two neighboring radicals to be linked to one another with formation of a ring; n is an integer from 1 to 4; R5 are identical or different and are selected from hydrogen, C1-C12-alkyl, C3-C12-cycloalkyl, substituted or unsubstituted, C7-C13-aralkyl, C6-C14-aryl, substituted or unsubstituted, it being possible for R5 to be linked to R4 or in each case two neighboring radicals R5 to be linked to one another with formation of a ring.

    摘要翻译： 水性制剂通过其中至少一种式I的环状化合物的方法制备