Azoaniline masking couplers for photographic materials
    2.
    发明授权
    Azoaniline masking couplers for photographic materials 失效
    用于摄影材料的偶氮苯掩蔽成色剂

    公开(公告)号:US5364745A

    公开(公告)日:1994-11-15

    申请号:US778828

    申请日:1991-12-19

    摘要: A photographic element including a support bearing a silver halide photographic emulsion, at least one color-forming coupler and a masking coupler, wherein said masking coupler is represented by the formula A:COUP--LINK--DYE (A)wherein COUP is a coupler moiety;LINK is any group releasable or cleavable from COUP by coupling with an oxidized developing agent during photographic processing; and DYE is an azoaniline dye and preferably an azoaniline dye blocked at the nitrogen-inclusive auxochromic site.

    摘要翻译: PCT No.PCT / US91 / 09640 Sec。 371 1991年12月19日第 102(e)1991年12月19日PCT PCT 1991年12月19日PCT公布。 出版物WO92 / 日本时间1992年7月9日。一种照相元件,包括带有卤化银照相乳剂的支持物,至少一种成色剂和遮蔽偶联剂,其中所述掩蔽成色剂由式A表示:COUP-LINK-DYE )其中COUP是成色剂部分; LINK是通过在照相处理过程中与氧化的显影剂耦合而从COUP可释放或可切割的组; 并且DYE是偶氮苯胺染料,优选在包含氮的辅助色素位点处阻断的偶氮苯胺染料。

    Photographic element containing a high dye-yield coupler with methine
dye chromophore
    6.
    发明授权
    Photographic element containing a high dye-yield coupler with methine dye chromophore 失效
    含有高染料收率成色剂与次甲基染料发色团的摄影元件

    公开(公告)号:US5457004A

    公开(公告)日:1995-10-10

    申请号:US250744

    申请日:1994-05-27

    CPC分类号: G03C7/30547 Y10S430/156

    摘要: The invention provides a photographic element comprising a substrate bearing a photographic silver halide emulsion layer having associated therewith a high dye-yield coupler having the formula: ##STR1## wherein: COUP is a photographic coupler residue capable of coupling with oxidized color developer to form a first dye;T is a timing group;m is an integer from 0 to 2;L is a linking group selected from the group consisting of --OC(.dbd.O)--, --OC(.dbd.S)--, --SC(.dbd.O)--, --SC(.dbd.S)--, and --OC(.dbd.NSO.sub.2 R) where R is substituted or unsubstituted alkyl or aryl; andDYE is a releasable second dye or dye precursor having a particular formula including a methine dye chromophore.

    摘要翻译: 本发明提供了一种照相元件,其包含具有照相卤化银乳剂层的基底,其具有下列结构的高染料收率成色剂:其中:COUP是能够与氧化的显色剂偶联以形成 第一染料; T是一个时间组; m为0〜2的整数; L是选自-OC(= O) - , - OC(= S) - , - SC(= O) - , - SC(= S) - 和-OC(= NSO 2 R) 其中R是取代或未取代的烷基或芳基; 并且DYE是具有特定配方的可释放的第二染料或染料前体,其包含次甲基染料发色团。

    Processes for making and using alkylaminoarylcarbonyl compounds
    9.
    发明授权
    Processes for making and using alkylaminoarylcarbonyl compounds 失效
    制备和使用烷基氨基芳基羰基化合物的方法

    公开(公告)号:US6124503A

    公开(公告)日:2000-09-26

    申请号:US223863

    申请日:1998-12-31

    CPC分类号: C07C221/00 C07C2101/08

    摘要: A method of making an alkylaminoarylcarbonyl compound having Formula I: ##STR1## wherein R is an alkyl group;A is an aryl (including heteroaryl) ring;each R' is independently an alkyl group which may form a ring with Z or Z';p is 0, 1, 2, or 3;each Z, Z', and Y is independently hydrogen or a substituent; andn is 0, 1, or 2;comprising:(a) blocking the carbonyl function of an aminoarylcarbonyl compound via condensation with an active methylene compound(b) alkylating this blocked amniocarbonyl compound via reductive alkylation with an alkyl or aryl (including heteroaryl) carbonyl compound, and(c) deblocking of the blocked alkylaminoarylcarbonyl compound via base hydrolysis to regenerate the carbonyl function and give the desired alkylaminocarbonyl compound.

    摘要翻译: 制备具有式I的烷基氨基芳基羰基化合物的方法:其中R是烷基; A是芳基(包括杂芳基)环; 每个R'独立地是可以与Z或Z'形成环的烷基; p为0,1,2或3; 每个Z,Z'和Y独立地是氢或取代基; 并且n为0,1或2; 包括:(a)通过与活性亚甲基化合物缩合来阻断氨基芳基羰基化合物的羰基官能团(b)通过用烷基或芳基(包括杂芳基)羰基化合物还原烷基化将该封端的氨基羰基化合物烷基化,和(c) 通过碱水解封端的烷基氨基芳基羰基化合物以再生羰基官能团并得到所需的烷基氨基羰基化合物。

    Photographic element containing high dye-yield couplers
    10.
    发明授权
    Photographic element containing high dye-yield couplers 有权
    含有高染料收率成色剂的摄影元件

    公开(公告)号:US6132944A

    公开(公告)日:2000-10-17

    申请号:US433256

    申请日:1999-11-04

    摘要: Disclosed is a photographic element containing a light sensitive silver halide emulsion layer having associated therewith a coupler represented by Formula I: ##STR1## wherein COUP is a coupler parent group capable of reacting with an oxidized developer to form a first dye and is bonded at a coupling position to the group ##STR2## wherein X is a or NSO.sub.2 R; R is an alkyl or aryl group; and DYE is a releasable second dye that is after release the same color as the first dye and is linked to OC.dbd.X by a moiety of the DYE having Formula (IA): ##STR3## wherein R.sup.2 is a substituent; provided there is contained in the coupler of Formula I at least one group of Formula IB:--L.sub.m --Sol IBwherein L is a divalent linking group and m is 0 or 1; and Sol is a group containing an acidic hydrogen selected from the group consisting of --ArOH, --NHSO.sub.2 R.sup.1 and --SO.sub.2 NHR.sup.1, in which AR is an aromatic group and each R.sup.1 is a substitute; provided further that the pKa of an acidic hydrogen of Sol is less than 8.8.

    摘要翻译: 公开了一种含有光敏卤化银乳剂层的照相材料,其具有与式I相结合的成色剂:其中COUP是能够与氧化显影剂反应形成第一种染料并且在偶联位置处键合的成色剂母体基团 其中X为或NSO 2 R的基团; R是烷基或芳基; 并且DYE是一种可释放的第二种染料,其在释放出与第一种染料相同的颜色后,通过具有式(IA)的DYE的部分与OC = X连接:其中R2是取代基; 条件是式I的成色剂中含有至少一个式IB的组:-Lm-SolIB,其中L是二价连接基团,m是0或1; 并且Sol是含有选自-ArOH,-NHSO 2 R 1和-SO 2 NHR的酸性氢的基团,其中AR是芳族基团,每个R 1是取代基; 进一步提供Sol的酸性氢的pKa小于8.8。