Preparation of aromatic hydroxycarboxylic acids
    81.
    发明授权
    Preparation of aromatic hydroxycarboxylic acids 失效
    芳香族羟基羧酸的制备

    公开(公告)号:US4990660A

    公开(公告)日:1991-02-05

    申请号:US287034

    申请日:1988-12-21

    摘要: Aromatic hydroxycarboxylic acids of the formula(HO--).sub.n A--COOHwhere n is 1 or 2 and A is a radical from the benzene, naphthalene, biphenyl, diphenyl ether, diphenyl sulfide or diphenyl sulfone series, are prepared by a process in which an acylated aromatic compound of the formula(R.sup.1 --CO--O--).sub.n A--CO--R.sup.2where R.sup.1 and R.sup.2 independently of one another are each unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl and n and A each have the abovementioned meanings, is oxidized with oxygen in the presence of a catalyst and of a solvent at from 20.degree. to 250.degree. C. to give a carboxylic acid of the formula(R.sup.1 --CO--O--).sub.n A--COOHwhere R.sup.1, n and A have the abovementioned meanings, and the acyl group or groups is or are then eliminated.

    摘要翻译: 式(HO-)nA-COOH的芳族羟基羧酸,其中n为1或2,A为来自苯,萘,联苯,二苯醚,二苯硫醚或二苯砜系列的基团,其通过以下方法制备: 式(R1-CO-O-)nA-CO-R2的酰化芳族化合物,其中R 1和R 2彼此独立地各自为未取代或取代的C 1 -C 4 - 烷基,n和A各自具有上述含义,被氧化为 在催化剂和溶剂存在下,在20-250℃下加入氧,得到式(R1-CO-O-)nA-COOH的羧酸,其中R1,n和A具有上述含义, 酰基或酰基被除去或被除去。

    Polycyclic compounds
    83.
    发明授权
    Polycyclic compounds 失效
    多环化合物

    公开(公告)号:US4958022A

    公开(公告)日:1990-09-18

    申请号:US314146

    申请日:1989-02-23

    摘要: Polycyclic compounds of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 independently of one another are each hydrogen, alkyl, cycloalkyl, unsubstituted or substituted phenyl, pyridyl or phenylalkyl, or R.sup.1 and R.sup.2 together form a trimethylene or tetramethylene group, W, X, Y and Z independently of one another are each C--R.sup.6 or nitrogen, one or more of the radicals W, X, Y or Z being C--R.sup.6, R.sup.6 is hydrogen, --CO.sub.2 R.sup.7, --CONR.sup.7 R.sup.8, cyano or hydroxymethyl and R.sup.7 and R.sup.8 are each hydrogen, alkyl, unsubstituted or substituted phenyl, cycloalkyl, a 5-membered or 6-membered heterocyclic structure or phenylalkyl, R.sup.3 and R.sup.4 are each hydrogen or R.sup.3 and R.sup.4 together form a group of the formula ##STR2## A is a chemical bond, alkylene, ##STR3## or cycloalkylene, m and o are each from 1 to 20, R.sup.9 is alkyl, cycloalkyl, phenylalkyl or unsubstituted or substituted phenyl, M is a group of the formula ##STR4## and can be bonded to A both with the nitrogen atom and with the carbon atom, and R.sup.10, R.sup.11, R.sup.12 and R.sup.13 independently of one another are each alkyl, or R.sup.10 and R.sup.11 or R.sup.12 and R.sup.13 together form a tetramethylene or pentamethylene group, B is a chemical bond, alkylene or phenylalkylene or is alkylene which is interrupted by carbonyl, carboxamide or a carboxylic ester group, R.sup.5 is hydrogen, cyano, hydroxyl, ##STR5## R.sup.14 is hydrogen, alkyl, cycloalkyl, phenylalkyl, phenyl or a 5-membered or 6-membered heterocyclic structure, or M--B--R.sup.5 is a group of the formula ##STR6## in which case A must not be a chemical bond and R.sup.15 is alkyl, R.sup.16 is hydrogen, alkyl or alkoxy and R.sup.17 is hydrogen or alkyl, have extremely good stabilizing properties and no natural color and are very compatible with organic polymers. They also have a low vapor pressure and are stable to thermal decomposition.

    摘要翻译: 通式(I)的多环化合物其中R 1和R 2彼此独立地为氢,烷基,环烷基,未取代或取代的苯基,吡啶基或苯基烷基,或者R 1和R 2一起形成三亚甲基或四亚甲基 基团W,X,Y和Z各自独立地为C-R6或氮,基团W,X,Y或Z中的一个或多个为C-R6,R6为氢,-CO2R7,-CONR7R8,氰基 或羟甲基,R 7和R 8各自为氢,烷基,未取代或取代的苯基,环烷基,5元或6元杂环结构或苯基烷基,R 3和R 4各自为氢或R 3和R 4一起形成式 IMAGE> A是化学键,亚烷基,亚环烷基,亚环烷基,m和o各自为1-20,R9为烷基,环烷基,苯基烷基或未取代或取代的苯基,M为 并且可以与氮原子和碳原子键合至A,R10,R11,R12 和R 13彼此独立地为烷基,或R 10和R 11或R 12和R 13一起形成四亚甲基或五亚甲基,B为化学键,亚烷基或苯基亚烷基,或为被羰基,羧酰胺或羧酸酯基中断的亚烷基 R 5为氢,氰基,羟基,R 14为氢,烷基,环烷基,苯基烷基,苯基或5元或6元杂环结构,或MB-R5为式 SB,5 NHO + RE,其中A不能为化学键,R15为烷基,R16为氢,烷基或烷氧基,R17为氢或烷基,具有非常好的稳定性,无 天然色,与有机聚合物非常相容。 它们也具有低蒸气压,并且对热分解是稳定的。

    Photosensitive recording element
    84.
    发明授权
    Photosensitive recording element 失效
    感光记录元件

    公开(公告)号:US4948702A

    公开(公告)日:1990-08-14

    申请号:US363420

    申请日:1989-06-05

    CPC分类号: H01L21/0276 G03F7/091

    摘要: A photosensitive recording element possessing a photosensitive recording layer which is applied to a dimensionally stable base, if desired on top of one or more intermediate layers, and has good photochemical properties and a long shelf life contains special sulfo-containing azo or azoxy dyes for controlling the photochemical properties in the photosensitive recording layer and/or in any intermediate layer present. Dyes which are suitable for use according to the invention can be obtained, for example, by autocondensation of 5-nitro-o-toluenesulfonic acid.

    摘要翻译: 具有感光记录层的光敏记录元件,如果需要,在一个或多个中间层的顶部应用于尺寸稳定的基底,并且具有良好的光化学性质和长的保存期限,它含有特殊的含磺基偶氮或偶氮染料用于控制 光敏记录层和/或任何中间层中的光化学性质。 适合根据本发明使用的染料可以通过例如5-硝基邻甲苯磺酸的自缩合获得。

    Electrophotographic recording element containing a naphtholactam dye
sensitizer
    86.
    发明授权
    Electrophotographic recording element containing a naphtholactam dye sensitizer 失效
    含有萘酚内酰胺染料敏化剂的电子照相记录元件

    公开(公告)号:US4906541A

    公开(公告)日:1990-03-06

    申请号:US274970

    申请日:1988-11-22

    摘要: An electrophotographic recording element comprising(A) an electrically conducting base and(B) at least one photoconductive layer consisting essentially of(b.sub.1) at least one binder,(b.sub.2) at least one sensitizer which on exposure of layer (B) generates charge carriers and which is selected from the group of the naphtholactam dyes of the general structure I ##STR1## where the indices and variables have specified meanings, (b.sub.3) at least one photoconductor which transports the generated charge carriers and optionally(b.sub.4) additives, and also novel naphtholactam dyes of the general formula I where R.sup.2 is substituted monocyclic 1,3-thiazolyl bonded to the naphtholactam structure via a carbon ring atom, the use of these novel naphtholactams I in electrophotographic and laser-optical recording elements and also novel reprographic processes and novel processes for producing offset printing plates and photoresists using the novel electrophotographic recording element.

    摘要翻译: 一种电子照相记录元件,包括(A)导电性碱和(B)至少一种光导电层,其基本上由(b1)至少一种粘合剂组成,(b2)至少一种敏化剂,其在层(B)的曝光时产生电荷载体 并且其选自指数和变量具有规定含义的一般结构I IMA的萘并内酰胺染料组,(b3)至少一种运送所产生的电荷载体和任选的(b4)添加剂的感光体,以及 还有通式I的新型萘并内酰胺染料,其中R2是通过碳环原子键合到萘内酰胺结构的取代的单环1,3-噻唑基,在电子照相和激光光学记录元件中使用这些新型萘内酰胺I,还有新的复制过程 以及使用新颖的电子照相记录元件制造胶版印刷版和光致抗蚀剂的新颖工艺。

    Method of forming printing plate using isoindolenine deratives
    87.
    发明授权
    Method of forming printing plate using isoindolenine deratives 失效
    使用异吲哚啉衍生物形成印版的方法

    公开(公告)号:US4883732A

    公开(公告)日:1989-11-28

    申请号:US356069

    申请日:1989-05-24

    摘要: An electrophotographic recording element comprising(A) an electrically conducting base and(B) at least one photoconductive layer consisting essentially of(b.sub.1) at least one binder,(b.sub.2) at least one sensitizer which on exposure of layer (B) generates charge carriers and which is selected from the group of the isoindolenine dyes of the general structure I ##STR1## where the index and the variables have specified meanings, (b.sub.3) at least one photoconductor which transports the generated charge carriers and optionally(b.sub.4) additives,in useful for reprographic purposes, for producing printing plates, in particular offset plates, and for producing photoresists.

    摘要翻译: 一种电子照相记录元件,包括(A)导电性碱和(B)至少一种光导电层,其基本上由(b1)至少一种粘合剂组成,(b2)至少一种敏化剂,其在层(B)的曝光时产生电荷载体 并且其选自一般结构I 的异二氢吲哚染料,其中指数和变量具有指定的含义,(b3)至少一种将产生的电荷载体和任选的(b4)添加剂输送的感光体, 用于复制目的,用于生产印版,特别是胶印板,以及用于制造光致抗蚀剂。

    Isolation of 4,4'-dichlorodiphenyl sulfone
    89.
    发明授权
    Isolation of 4,4'-dichlorodiphenyl sulfone 失效
    4,4'-二氯二苯砜的分离

    公开(公告)号:US4873372A

    公开(公告)日:1989-10-10

    申请号:US148386

    申请日:1988-01-25

    IPC分类号: C07C315/06 C07C317/14

    CPC分类号: C07C317/00

    摘要: A process for the isolation of 4,4'-dichlorodiphenyl sulfone from a mixture of dichlorodiphenyl sulfones in which the ratios of the masses of 2,4'-dichlorodiphenyl sulfone and 3,4'-dichlorodiphenyl sulfone to the mass of 4,4'-dichlorodiphenyl sulfone are respectively from 0.5% to 20% and from 0.5% to 30% by treating the mixture with an alkanol at temperatures of from 20.degree. C. to 250.degree. C., cooling, and separating the pure 4,4'-dichlorodiphenyl sulfone that precipitates.

    摘要翻译: 从2,4-二氯二苯砜的混合物中分离出4,4'-二氯二苯砜的方法,其中2,4'-二氯二苯砜和3,4'-二氯二苯砜的质量比为4,4' 二氯二苯基砜分别为0.5%至20%,0.5%至30%,通过在20至250℃的温度下用烷醇处理该混合物,冷却,并将纯的4,4'- 二氯二苯砜沉淀。

    Naphtholactamsquaric acid dyes and optical recording materials
containing these dyes
    90.
    发明授权
    Naphtholactamsquaric acid dyes and optical recording materials containing these dyes 失效
    萘并三唑基磺酸染料和含有这些染料的光学记录材料

    公开(公告)号:US4830951A

    公开(公告)日:1989-05-16

    申请号:US93239

    申请日:1987-09-04

    IPC分类号: C09B57/06

    CPC分类号: C09B57/06 Y10S430/146

    摘要: Naphtholactamsquaric acid dyes of the formula ##STR1## where R.sup.1 and R.sup.2 independently of one another are each unsubstituted or substituted C.sub.3 -C.sub.22 -alkyl, in which the alkyl chain may be interrupted by oxygen atoms, or are each unsubstituted or substituted C.sub.1 -C.sub.4 -aralkyl, unsubstituted or substituted C.sub.5 -C.sub.7 -cycloalkyl or unsubsituted or substituted phenyl, and the rings A, B, C and D are unsubstituted or substituted and/or benzofused, and optical recording materials consisting of a base and a layer which is sensitive to laser light and is composed of a thermoplastic or crosslinked polymer and one or more dyes (I).Because of the high light absorption of (I), the recording materials are very sensitive to light from the GaAlAs semiconductor laser. An excellent signal-to-noise ratio is obtained on reading the recordings.

    摘要翻译: 其中R 1和R 2彼此独立的式(I)的萘酚酸盐酸染料均为未取代或取代的C 3 -C 22 - 烷基,其中烷基链可被氧原子间隔,或者各自为未取代或取代的C1 -C 1-4 - 芳烷基,未取代或取代的C 5 -C 7 - 环烷基或未取代或取代的苯基,并且环A,B,C和D是未取代或取代和/或苯并稠合的光学记录材料, 对激光敏感,由热塑性或交联聚合物和一种或多种染料(I)组成。 由于(I)的高吸收光,记录材料对GaAlAs半导体激光器的光非常敏感。 在读取记录时获得良好的信噪比。