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    • 8. 发明授权
    • Cationic 1,3,4-thiadiazole dyestuffs
    • 阳离子1,3,4-噻二唑染料
    • US4268438A
    • 1981-05-19
    • US20161
    • 1979-03-13
    • Hauke Furstenwerth
    • Hauke Furstenwerth
    • C09B29/048C07D285/12C07D285/135C09B44/10C09B29/22
    • C07D285/135C09B44/107
    • Cationic 1,3,4-thiadiazole dyestuffs of the general formula ##STR1## wherein R denotes hydrogen or an alkyl, alkenyl, acyl, cycloalkyl, aryl, aralkyl, amino, alkylamino, dialkylamino, arylamino, aralkylamino or heterocyclic radical andR.sub.1 denotes hydrogen or an alkyl, alkenyl or aralkyl radical, orR and R.sub.1 are linked to form a heterocyclic ring, with the condition that if R denotes aryl, R.sub.1 cannot be hydrogen.R.sub.2 denotes an alkyl, alkenyl, alkinyl or aralkyl radical,K denotes a radical of a coupling component and An.sup.(-) denotes an anion,are suitable for the dyeing and printing of natural and synthetic materials, in particular of polyacrylnitrile and acid-modified polyesters and polyamides.
    • 其中R表示氢或烷基,链烯基,酰基,环烷基,芳基,芳烷基,氨基,烷基氨基,二烷基氨基,芳基氨基,芳烷基氨基或杂环基,R 1表示氢原子的阳离子1,3,4-噻二唑染料 或烷基,烯基或芳烷基,或R和R 1连接形成杂环,条件是如果R表示芳基,则R1不能为氢。 R2表示烷基,烯基,炔基或芳烷基,K表示偶合组分的基团,An( - )表示阴离子,适用于天然和合成材料的染色和印刷,特别是聚丙烯腈和酸改性 聚酯和聚酰胺。
    • 10. 发明授权
    • 2,5-Diamino-1,3,4-thiadiazole derivatives
    • 2,5-二氨基-1,3,4-噻二唑衍生物
    • US4500715A
    • 1985-02-19
    • US228489
    • 1981-01-26
    • Hauke Furstenwerth
    • Hauke Furstenwerth
    • C09B29/048C07D285/12C07D285/135C09B44/10C09B29/22
    • C07D285/135C09B44/107
    • 1,3,4-Thiazole derivatives of the formula ##STR1## wherein R.sub.26 ' denotes a C.sub.1 -C.sub.8 -alkyl radical which is optionally substituted by hydroxyl, halogen, cyano, C.sub.1 -C.sub.4 -alkoxy, carboxyl, aminocarbonyl or C.sub.1 -C.sub.4 -alkoxycarbonyl, a C.sub.2 -C.sub.4 -alkenyl radical, a cyclohexyl radical which is optionally substituted by C.sub.1 -C.sub.4 -alkyl, a phenyl, benzyl or phenylethyl radical which is optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, a C.sub.1 -C.sub.2 -alkylcarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, mono- or di-C.sub.1 -C.sub.4 -alkylaminocarbonyl, aminocarbonyl, mono- or di-C.sub.1 -C.sub.4 -alkylaminosulphonyl, 2-thienyl, 2-furyl, 2-tetrahydrofuryl, amino, C.sub.1 -C.sub.4 -alkylamino or di-(C.sub.1 -C.sub.4 -alkyl)-amino radical or a phenylamino or benzylamino radical which is optionally substituted by C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy and R.sub.27 ' denotes a C.sub.1 -C.sub.8 -alkyl radical which is optionally substituted by hydroxyl, halogen, cyano, C.sub.1 -C.sub.4 -alkoxy, carboxyl, aminocarbonyl- or C.sub.1 -C.sub.4 -alkoxycarbonyl, a C.sub.2 -C.sub. 4 -alkenyl radical or a benzyl or phenylethyl radical which is substituted by halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,are useful as intermediates for the preparation of pharmaceuticals, agents for protecting plants and dyestuffs.
    • 卤素,氰基,C 1 -C 4 - 烷氧基,羧基,氨基羰基或C 1 -C 4 - 烷基,任选被羟基取代的C 1 -C 8 - 烷基, 烷氧基羰基,C 2 -C 4 - 烯基,任选被C 1 -C 4 - 烷基取代的环己基,任选被卤素,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基取代的苯基,苄基或苯基乙基, C 1 -C 2烷基羰基,C 1 -C 4 - 烷氧基羰基,单或二-C 1 -C 4烷基氨基羰基,氨基羰基,单或二-C 1 -C 4烷基氨基磺酰基,2-噻吩基,2-呋喃基,2-四氢呋喃基,氨基 任选被C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基取代的C 1 -C 4烷基氨基或二 - (C 1 -C 4 - 烷基) - 氨基或苯基氨基或苄基氨基,R 27'表示C 1 -C 8 - 烷基,其任选被羟基,卤素,氰基,C 1 -C 4 - 烷氧基,羧基,氨基羰基 - 或C 1 -C 4 - 烷氧基羰基取代,C 2 -C 4 - 烯基或苄基或苯基乙基, 被卤素,C 1 -C 4 - 烷基或C 1 -C 4烷氧基所取代,可用作制备药物,保护植物和染料的试剂的中间体。