申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP0708086A1
公开(公告)日:1996-04-24
A bisguanidine salt selected from the group consisting of a 4-(phenylsulfonyl)phenylsulfonylacetic acid salt of N,N'-bis(1,3-diethylguanyl)ethylenediamine, a 4-(phenylsulfonyl)phenylsulfonylacetic acid salt of N,N'-bis(1,3-diisopropylguanyl)ethylenediamine, a 4-(phenylsulfonyl)phenylsulfonylacetic acid salt of N,N'-bis(imidazoline-2-yl)ethylenediamine, a 4-(phenylsulfonyl)phenylsulfonylacetic acid salt of 1,4-bis(1,3-diisopropylguanyl)piperazine, a 4-(phenylsulfonyl)phenylsulfonylacetic acid salt of 1,4-bis(1,3-diethylguanyl)piperazine, a 4-(4-methylphenylsulfonyl)phenylsulfonylacetic acid salt of N,N'-bis(1,3-diethylguanyl)ethylenediamine and a 4-(4-ethylphenylsulfonyl)phenylsulfonylacetic acid salt of 1,4-bis(1,3-diethylguanyl)piperazine which can be used as a base precursor which is rapidly decomposed by heat treatment at 120 °C or less to release a base.
双胍盐,选自由下列物质组成的一组:N,N'-双(1,3-二乙基胍基)乙二胺的 4-(苯磺酰基)苯磺酰乙酸酯盐、N,N'-双(1、N,N'-双(咪唑啉-2-基)乙二胺的 4-(苯磺酰基)苯磺酰基乙酸盐、1,4-双(1,3-二异丙基胍基)哌嗪的 4-(苯磺酰基)苯磺酰基乙酸盐1,4-双(1,3-二乙基胍基)哌嗪的 4-(苯磺酰基)苯磺酰基乙酸盐、N,N'-双(1、1,4-双(1,3-二乙基胍基)哌嗪的 4-(4-甲基苯磺酰基)苯磺酰基乙酸 盐,它们可用作碱前体,在 120 ℃ 或更低温度下加热处理可迅速分解释放出碱。