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    • 1. 发明授权
    • Photographic diffusion transfer process and material for the production
of color images and suitable compounds therefor
    • 摄影扩散转移过程和用于生产彩色图像的材料及其合适的化合物
    • US4273855A
    • 1981-06-16
    • US19582
    • 1979-03-12
    • Jan JaekenAndre VerheckenHans VetterPaul Marx
    • Jan JaekenAndre VerheckenHans VetterPaul Marx
    • G03C7/00C07C205/37C07D209/14C07D209/42C07D231/46G03C8/10G03C8/14G03C1/40G03C1/10G03C5/54
    • G03C8/10C07C205/37C07D209/42C07D231/46
    • A compound of the following formula and use of this compound in a photographic material and a photographic diffusion transfer process for the production of color images: ##STR1## wherein R represents a hydrogen atom or an alkyl group with 1 to 4 C atoms;A represents an oxyalkylene group, such as --CH.sub.2 --CH.sub.2 --O--;n represents 1 or 2;X represents a residue of a dye or a dye precursor, which either directly or by means of an intermediate link Z is linked to the SO.sub.2 -group;Z represents an alkylene group of 1 to 6 C atoms, an arylene group, or a heterocyclic group, which is linked to the residue X either directly or by means of --O--, --S--, --SO.sub.2 --, --NR-- (R being hydrogen or an alkyl group), --CO--, --CO--NH--, or --SO.sub.2 --NH--;R.sup.1 represents --OR.sup.2, --SR.sup.2 or ##STR2## R.sup.2 being hydrogen, an alkyl group with 1 to 22 C atoms, a cycloalkyl group or an aryl group wherein said alkyl, cycloalkyl and aryl groups may be further substituted, R.sup.3 being one of the residues defined under R.sup.2 or being an acyl residue, which is derived from an aliphatic or aromatic carboxylic or sulphonic acid, and R.sup.4 being hydrogen or optionally a substituted alkyl group with 1 to 22 C atoms.
    • 下列化合物和该化合物在照相材料中的用途以及用于制备彩色图像的照相扩散转移方法:其中R表示氢原子或具有1至4个C原子的烷基; A表示氧化烯基,例如-CH 2 -CH 2 -O-; n表示1或2; X表示染料或染料前体的残基,其直接地或通过中间链接Z连接到SO 2基团; Z表示1〜6个碳原子的亚烷基,亚芳基或杂环基,其直接或通过-O - , - S - , - SO 2 - , - NR-( R为氢或烷基),-CO - , - CO-NH-或-SO 2 -NH-; R 1表示-OR 2,-SR 2或R 2为氢,具有1至22个C原子的烷基,环烷基或芳基,其中所述烷基,环烷基和芳基可以被进一步取代,R 3是 在R2下定义的或作为酰基残基的残基,其衍生自脂族或芳族羧酸或磺酸,R4为氢或任选取代的具有1至22个C原子的烷基。