Fluorescent Whitening Pigments
    5.
    发明申请

    公开(公告)号:US20080040865A1

    公开(公告)日:2008-02-21

    申请号:US10579490

    申请日:2004-11-08

    摘要: A whitening pigment comprising the reaction product of (a) a melamine-formaldehyde and/or a melamine-urea poly-condensation product and (b) a water-soluble fluorescent whitening agent of the formula (1), wherein each of the two R1 groups, independent of the other, represents a C1-C6alkyl or C1-C4alkyl-O—C1-C4alkyl residue, which is substituted by one or two —CONH2, —CONHC1-C4alkyl, —COOH, —SO2NH2, —SO2NHC1-C4alkyl or —NH2 groups, each of the two R2 groups, independent of the other, represents hydrogen, C1-C4alkyl, C2-C4hydroxyalkyl or C1-C4alkoxyC1-C4alkyl, or R1 and R2 together with the nitrogen atom complete a piperazine ring, each of the two X1 groups, independently, represent —OH, —OC1-C4alkyl, —Oaryl or the group —NR3R4, wherein R3 and R4 each, independently, represent hydrogen, C1-C4alkyl, C2-C4hydroxyalky, C1-C4alkoxyC1-C4alkyl, a phenyl, phenyl mono- or disulphonic acid residue or, R3 and R4, together with the nitrogen atom to which they are attached, complete a morpholino, piperidino or pyrrolidino ring or, alternatively, X1 represents an amino acid residue from which a hydrogen atom has been abstracted from the amino group and M is hydrogen, an alkaline or alkaline earth metal ion, ammonium, mono- di-, tri- or tetra-substituted C1-C4alkylammonium or C2-C4hydroxyalkylammonium or mixtures thereof, a process for preparation of the pigments and the use thereof for the fluorescent whitening of paper.

    Process for the preparation of stilbene compounds
    6.
    发明授权
    Process for the preparation of stilbene compounds 失效
    二苯乙烯化合物的制备方法

    公开(公告)号:US06365737B1

    公开(公告)日:2002-04-02

    申请号:US09622472

    申请日:2000-08-17

    IPC分类号: C07D25168

    摘要: A process for the preparation of a 4,4′-bis-(triazinylamino)-stilbene-2,2′-disulphonic acid compound of formula (1) is disclosed, characterized in that (a) in a first reaction step cyanurchloride is reacted with the disodium salt of 4,4′-diaminostilbene-2,2′-disulfonic acid to give the intermediate of formula (2); (b) in a second reaction step the compound of formula (2) is reacted with a compound of formula R1—H and/or R2—H to give the compound of formula (3); (c) in a third step the compound of formula (3) is reacted with the compound of the formula R3H, and reaction step (a) and/or (c) are carried out in a medium consisting of a mixture of water and a polyglycol to give the compound of formula (1), wherein R1, R2 and R3, independently, are phenylamino; phenylamino substitued by C1-C3alkyl, halogen, cyano, COOR or COR; CONH—R; SO2NH—R; NH—COR; mono- or disulphonated phenylamino; morpholino; piperidino; pyrrolidino; —NH2; —NH(C1-C4alkyl); —N(C1-C4alkyl)2; —NH(C2-C4hydroxyalkyl); —N(C2-C4hydroxyalkyl)2; —N(C1-C4alkyl)(C2-C4hydroxyalkyl); NHC2-C4 alkylsulphonic acid; —OC1-C4alkyl; an aminoacid or aminoacid amide residue from which a hydrogen atom on the amino group has been removed; R1 and R2 may further independently represent hydrogen; C1-C4alkyl; phenyl; naphthyl; phenyl or naphthyl substituted by C1-C4alkyl, C1-C4alkoxy, halogen, C2-C5alkanoyl-amino, nitro, sulpho or C1-C4alkylated amino; R is hydrogen; or C1-C3alkyl; and M is H, Na, Li, K, Ca, Mg, ammonium, or ammonium that is mono-, di-, tri- or tetrasubstituted by C1-C4alkyl, C2-C4hydroxyalkyl or a mixture thereof.

    摘要翻译: 公开了制备式(1)的4​​,4'-双 - (三嗪基氨基) - 茋-2,2'-二磺酸化合物的方法,其特征在于(a)在第一反应步骤中,氰化氢反应 与4,4'-二氨基芪-2,2'-二磺酸的二钠盐得到式(2)的中间体; (b)在第二反应步骤中,将式(2)化合物与式R 1 -H和/或R 2 -H的化合物反应,得到式(3)化合物; (c)在第三步中,式(3)化合物与式R3H的化合物反应,反应步骤(a)和/或(c)在由水和 得到式(1)化合物,其中R 1,R 2和R 3独立地是苯基氨基; 由C 1 -C 3烷基,卤素,氰基,COOR或COR取代的苯基氨基; CONH-R; SO2NH-R; NH-COR; 单或二磺基苯基氨基; 吗啉代 哌啶子 吡咯烷 -NH2; -NH(C 1 -C 4烷基); -N(C 1 -C 4烷基)2; -NH(C 2 -C 4羟烷基); -N(C 2 -C 4羟烷基)2; -N(C 1 -C 4烷基)(C 2 -C 4羟烷基); NHC2-C4烷基磺酸; -OC1-C4烷基; 已除去氨基上的氢原子的氨基酸或氨基酸酰胺残基; R 1和R 2可以进一步独立地表示氢; C 1 -C 4烷基; 苯基; 萘基; 被C 1 -C 4烷基,C 1 -C 4烷氧基,卤素,C 2 -C 5烷酰基 - 氨基,硝基,磺基或C 1 -C 4烷基化氨基取代的苯基或萘基; R是氢; 或C 1 -C 3烷基; 并且M是被C 1 -C 4烷基,C 2 -C 4羟烷基或其混合物单,二,三或四取代的H,Na,Li,K,Ca,Mg,铵或铵。

    Triazinylaminostilbene derivative as fluorescent whitening agents
    7.
    发明授权
    Triazinylaminostilbene derivative as fluorescent whitening agents 失效
    三嗪基氨基芪衍生物作为荧光增白剂

    公开(公告)号:US06723846B1

    公开(公告)日:2004-04-20

    申请号:US10070525

    申请日:2002-03-06

    IPC分类号: C07D25168

    CPC分类号: C07D251/68 Y10S8/919

    摘要: The present invention relates to compounds having formula (1): wherein each R1 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-hydroxy- or alkoxy-alkoxy, —OCOM, —OCOC1-C4-alkyl, or an amino acid residue from which a hydrogen atom on the amino group has been removed; each R2 represents, independently, a linear C1-C4-alkylene residue which is unsubstituted or substituted by hydroxy, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-hydroxy- or alkoxy-alkoxy, —OCOM, —OCOC1-C4-alkyl, —CO2M, CO2C1-C4-alkyl SO3M or phenoxy which is unsubstituted or substituted by halogen, C1-C4-alkyl or C1-C4-alkoxy, —CO2M or CO2C1-C4-alkyl, NH3 or mono- or disubstituted amino; or phenyl which is unsubstituted or substituted by 1 to 3 SO3M, SO2NHC1-C4-alkyl, —SO2NH2, —CO2M, —CO2M, —CO2C1-C4-alkyl, —CONH2, —CONHC1-C4-alkyl, —NHCOC1-C4-alkyl or mono- or disubstituted amino groups; each R3 represents independently, hydrogen, C1-C4-alkyl, halogen, cyano, SO3M, —SO2NH2, SO2NHC1-C4-alkyl, —CO2M, —CO2C1-C4-alkyl, —CONH2, —CONHC1-C4-alkyl, or —NHCOC1-C4-alkyl; M is hydrogen, an alkali metal atom, ammonium or a cation formed from an amine and m is an integer of 1 to 3, a process for their preparation and use of the compounds as optical brightening agents for synthetic or natural organic materials or for removing stain in photographic materials.

    摘要翻译: 本发明涉及具有式(1)的化合物:其中每个R 1独立地表示未被取代或被羟基,C 1 -C 4烷基,C 1 -C 4烷氧基,C 1 -C 4烷基取代的直链C 1 -C 4亚烷基 - 羟基 - 或烷氧基 - 烷氧基,-OCOM,-OCOC1-C4-烷基或氨基上氨基的氢原子被除去的氨基酸残基; 每个R 2独立地表示未被取代或被羟基,C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基,C 1 -C 4 - 羟基 - 或烷氧基 - 烷氧基取代的直链C 1 -C 4 - 亚烷基残基,-OCOM,-OCOC 1 -C 1-4烷基,-CO 2 M,CO 2 C 1 -C 4 - 烷基SO 3 M或苯氧基,其未被取代或被卤素,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基,-CO 2 M或CO 2 C 1 -C 4烷基,NH 3或单 - 或 二取代氨基; 或未被取代或被1至3个SO 3 M,SO 2 NHC 1 -C 4烷基,-SO 2 NH 2,-CO 2 M,-CO 2 M,-CO 2 C 1 -C 4 - 烷基,-CONH 2,-CONHC 1 -C 4烷基,-NHCOC 1 -C 4 - 烷基或单或二取代的氨基; 每个R 3独立地表示氢,C 1 -C 4 - 烷基,卤素,氰基,SO 3 M,-SO 2 NH 2,SO 2 NHC 1 -C 4烷基,-CO 2 M,