There are described novel photographic products and processes which utilize compounds which releases a photographic reagent in the presence of alkali. The compounds include an imidazole blocking group and cleave in alkali to release the photographic reagent. Also described are novel compounds.
有一种新型照相产品和工艺,利用化合物在碱的作用下释放出一种照相试剂。这些化合物包括一个
咪唑封端基团,在碱中裂解释放出感光试剂。此外,还介绍了一些新型化合物。