91.
    发明专利
    未知

    公开(公告)号:DE3917455A1

    公开(公告)日:1990-12-06

    申请号:DE3917455

    申请日:1989-05-30

    Applicant: BASF AG

    Abstract: Benzisothiazole azo dyes of the formula in which R denotes hydrogen or chlorine, R denotes hydrogen, chlorine, bromine, nitro or the radical SO2-NL L , in which L and L , independently of one another, represent substituted or unsubstituted C1-C8-alkyl, and K denotes a radical of the formula in which R represents substituted or unsubstituted C1-C12-alkyl, C5-C7- cycloalkyl, substituted or unsubstituted phenyl, pyridyl, furyl, thienyl or C1-C4-alkylthienyl and R and R , independently of one another, represent substituted or unsubstituted C1-C12-alkyl, R represents hydrogen or C1-C3-alkyl and R , R and R , independently of one another, represent hydrogen or substituted or unsubstituted C1-C12-alkyl, with the proviso that in at least one of the radicals R and R the alkyl chain is interrupted by 1 to 4 oxygen atoms and that R , R and R do not simultaneously denote hydrogen and their use for the dyeing of textile fibres.

    94.
    发明专利
    未知

    公开(公告)号:DE3738374A1

    公开(公告)日:1989-05-24

    申请号:DE3738374

    申请日:1987-11-12

    Applicant: BASF AG

    Abstract: Thien-3-ylazo dyes of the formula: where X is cyano, nitro, C1-C6-alkanoyl, substituted or unsubstituted benzoyl, substituted or unsubstituted phenyl or the radical COOR1 or CONR1R2 where R1 and R2 are identical or different and each is independently of each other substituted or unsubstituted C1-C8-alkyl, C5-C7-cycloalkyl, C3-C4-alkenyl, substituted or unsubstituted phenyl or together with the nitrogen atom linking them a 5- or 6-membered saturated heterocyclic radical, and R2 may additionally be hydrogen, Y is hydrogen, cyano, C1-C6-alkanoyl, substituted or unsubstituted benzoyl, C1-C4-alkylsulfonyl, substituted or unsubstituted phenylsulfonyl, substituted or unsubstituted phenyl or the radical COOR1 or CONR1R2 where R1 and R2 are each as defined above, Z is hydrogen, substituted or unsubstituted C1-C8-alkyl, substituted or unsubstituted phenyl, substituted or unsubstituted C1-C6-alkylthio, substituted or unsubstituted phenylthio, substituted or unsubstituted C1-C6-alkylsulfonyl or phenylsulfonyl or together with the radical Y a fused benzo ring which may be substituted, and K is the radical of a coupling component of the 2,6-diaminopyridine, 6-hydroxypyrid-2-one or 5-aminopyrazole series, are used for dyeing synthetic fiber materials, in particular synthetic polyesters, in yellow to red shades and are notable for good light fastness, fastness to dry heat setting and pleating and for good affinity.

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