Process for the preparation of 1-aminobenzene-2-sulphonic acids
    3.
    发明授权
    Process for the preparation of 1-aminobenzene-2-sulphonic acids 失效
    制备1-氨基苯-2-磺酸的方法

    公开(公告)号:US4548761A

    公开(公告)日:1985-10-22

    申请号:US502077

    申请日:1983-06-08

    CPC分类号: C07C303/16

    摘要: Process for the preparation of 1-aminobenzene-2-sulphonic acids of the formula ##STR1## wherein R.dbd.H or a substituent andn=1-4,and their salts, in particular their alkali metal salts, by oxidation of compounds of the formula ##STR2## wherein R.sub.1 .dbd.H, a cation, in particular an alkali metal cation, or a radical of the formula ##STR3## characterized in that the oxidation is carried out in a weakly acidic to alkaline pH range. The process can also be carried out as a one-pot process, using the corresponding benzothiazoles as starting materials.

    摘要翻译: 制备式“IMAGE”的1-氨基苯-2-磺酸的方法,其中R = H或取代基,n = 1-4,以及它们的盐,特别是其碱金属盐,通过氧化化合物 其中R1 = H,阳离子,特别是碱金属阳离子或式“IMAGE”的基团,其特征在于氧化在弱酸性至碱性pH范围内进行。 该方法也可以作为一锅法进行,使用相应的苯并噻唑作为起始原料。

    Aminonaphthol bisazo reactive dyes
    6.
    发明授权
    Aminonaphthol bisazo reactive dyes 失效
    氨基萘酚双偶氮活性染料

    公开(公告)号:US4638054A

    公开(公告)日:1987-01-20

    申请号:US662334

    申请日:1984-10-18

    IPC分类号: C09B62/01 C09B62/03 D06P3/66

    CPC分类号: C09B62/01 C09B62/03

    摘要: The invention provides new reaction dyestuffs of the formula ##STR1## where n and m are each 0 or 1 such that n+m=1 or 2 and whereG is a radical of the formula ##STR2## wherein B is a direct bond between D or D' and X or represents a bridge member as described in the specification,X is S, SO or SO.sub.2,Y is optionally substituted alkylene,R is H, optionally substituted C.sub.1 -C.sub.4 -alkyl or optionally substituted C.sub.2 -C.sub.4 -alkylene or optionally substituted phenylalkylene,Z is a fibre-reactive radical, and whereD and D' are as defined in the body of the Application.On hydroxyl- or amide-containing textile materials the new reactive dyestuffs produce prints and dyeings of a high fastness level.

    摘要翻译: 本发明提供了新的式(I)所示的反应染料,其中n和m各自为0或1,使得n + m = 1或2,其中G是下式的基团:其中B是D之间的直接键 或D'和X或表示如说明书中所述的桥构件,X为S,SO或SO 2,Y为任选取代的亚烷基,R为H,任选取代的C 1 -C 4 - 烷基或任选取代的C 2 -C 4亚烷基或 任选取代的苯基亚烷基,Z是纤维反应性基团,其中D和D'如本申请的主体中所定义。 在含羟基或酰胺的纺织材料上,新的活性染料产生耐高牢度水平的印花和染色。

    Fibre reactive azo dyestuffs
    8.
    发明授权
    Fibre reactive azo dyestuffs 失效
    纤维反应性AZO DYESTUFFS

    公开(公告)号:US5239063A

    公开(公告)日:1993-08-24

    申请号:US818328

    申请日:1992-01-09

    IPC分类号: C09B62/085 D06P1/382 D06P3/66

    CPC分类号: C09B62/085

    摘要: Fiber reactive azo dyestuffs of the formula ##STR1## in which R=H or C.sub.1 -C.sub.6 alkyl, which can be substituted with OH, Hal, SO.sub.3 H or OSO.sub.3 H;Z=heterocyclic five or six membered ring;n, m=0, 1 or 2, wherein n+m=0, 1 or 2;Y=OH, OR, NR.sub.2 R.sub.3, OMe; andR.sub.2, R.sub.3, =H, R and R.sub.2, R.sub.3 and N can form a heterocyclic 5 or 6-membered ring.

    摘要翻译: 其中R = H或可以被OH,Hal,SO 3 H或OSO 3 H取代的C 1 -C 6烷基的式“IMAGE”的纤维反应性偶氮染料; Z =杂环五或六元环; n,m = 0,1或2,其中n + m = 0,1或2; Y = OH,OR,NR 2 R 3,OMe; 并且R2,R3,= H,R和R2,R3和N可以形成杂环的5或6元环。