2H-v-triazolo[4-5-d]pyrimidines
    16.
    发明授权
    2H-v-triazolo[4-5-d]pyrimidines 失效
    2H-三唑并[4,5-d]嘧啶

    公开(公告)号:US4739053A

    公开(公告)日:1988-04-19

    申请号:US837880

    申请日:1986-03-06

    摘要: Novel 2H-v-triazolo[4,5-d]pyrimidines of the general formula ##STR1## where R.sup.1 and R.sup.2 independently of one another are each alkyl, unsubstituted or substituted phenyl or phenalkyl, or ##STR2## is a saturated 5-membered or 6-membered heterocyclic ring, X is alkyl, halogen or phenyl n is 0, 1 or 2, and A is ##STR3## hydrogen, halogen, cyano, thiocyano, alkoxy, alkoxyalkoxy, unsubstituted or substituted phenoxy, phenylalkoxy, alkylthio, phenylthio, --S--(CH.sub.2).sub.m --COO-alkyl, where m is from 1 to 4, alkylcarbonyl, benzoyl, carboxyl, carboalkoxy, alkylsulfonyl, phenylsulfonyl, an N-imidazole, benzimidazole, 1,2,3-triazole, benzotriazole, 2-mercaptobenzothiazole, 2-mercaptobenzimidazole, 2-mercaptothiazole or 2-mercapto-1,3,4-thiadiazole radical, or a radical of the formula ##STR4## where R.sup.4 is H or C.sub.1 -C.sub.4 -alkyl, p is from 2 to 5 and R.sup.5 and R.sup.6 are each C.sub.1 -C.sub.4 -alkyl, or ##STR5## is a saturated 5-membered or 6-membered heterocyclic radical which can furthermore contain N, O and/or S as ring members, are useful charge carrier-transporting compounds in electrophotographic recording materials.

    摘要翻译: 新颖的通式为其中R 1和R 2各自为烷基,未取代或取代的苯基或苯基烷基的通式为其中的2,5-二氢-2H-三唑并[4,5-d]嘧啶,或者IMAGE 5元或6元杂环,X为烷基,卤素或苯基n为0,1或2,A为氢,卤素,氰基,氰基,烷氧基,烷氧基烷氧基,未取代或取代的苯氧基,苯基烷氧基, 烷硫基,苯硫基,-S-(CH2)m-COO-烷基,其中m为1-4,烷基羰基,苯甲酰基,羧基,烷氧基,烷基磺酰基,苯基磺酰基,N-咪唑,苯并咪唑1,2,3-三唑 ,苯并三唑,2-巯基苯并噻唑,2-巯基苯并咪唑,2-巯基噻唑或2-巯基-1,3,4-噻二唑基,或其中R4为H或C1-C4-烷基的式为“IMAGE”的基团,p为 2至5,R 5和R 6各自为C 1 -C 4 - 烷基,或者IMAGE是饱和的5元或6元杂环基,其还可含有N,O和/或S作为环成员,ar e电子照相记录材料中有用的电荷载流子传输化合物。

    Pigments
    20.
    发明授权
    Pigments 失效
    颜料

    公开(公告)号:US4851549A

    公开(公告)日:1989-07-25

    申请号:US235276

    申请日:1988-08-23

    摘要: Pigments of the general formulaF.multidot.Het (I)where F is the cation of a cationic dye which has an absorption maximum at >700 nm and may or may not contain anionic groups and Het is an anion of a heteropolyacid based on tungsten, molybdenum, vanadium or a mixture of these with phosphorus, silicon, cobalt, aluminum, manganese, chromium, nickel or a mixture of these or a copper(I)-hexacyanoferrate(II) anion, are superior to the known IR dyes in terms of thermal stability and photostability, and give optical recording media having superior properties, such as a high signal/noise ratio.

    摘要翻译: 通式为FxHet(I)的颜料,其中F为阳离子染料的阳离子,阳离子染料的吸收最大值> 700nm,可含或不含阴离子基团,Het为基于钨,钼,钒的杂多酸阴离子 或它们与磷,硅,钴,铝,锰,铬,镍或它们的混合物或铜(I) - 六氰基铁酸盐(II)阴离子的混合物在热稳定性方面优于已知的IR染料, 光稳定性,并且具有诸如高信号/噪声比等优异性能的光学记录介质。