引用本文:
Heng Yi ZHANG, Yu LIU. Molecular Design of Crown Ethers.191.Synthesis of Novel Disulfide-and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag+ Selective Electrode Properties[J]. Chinese Chemical Letters,
2000, 12(2): 115-118.
Citation: Heng Yi ZHANG, Yu LIU. Molecular Design of Crown Ethers.191.Synthesis of Novel Disulfide-and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag+ Selective Electrode Properties[J]. Chinese Chemical Letters, 2000, 12(2): 115-118.
Citation: Heng Yi ZHANG, Yu LIU. Molecular Design of Crown Ethers.191.Synthesis of Novel Disulfide-and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag+ Selective Electrode Properties[J]. Chinese Chemical Letters, 2000, 12(2): 115-118.
Molecular Design of Crown Ethers.191.Synthesis of Novel Disulfide-and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag+ Selective Electrode Properties
摘要:
Two novel heteroatom–bridged bis (benzo-12-crown-4 ether)s, i.e.bis [2-nitro-4,5-(1,4,7,10-tetraoxadecamethylene)phenyl] disulfide 1 and diselenide 2, have been synthesized.X-ray crystallographic structure was obtained for 1.Ion selective electrodes (ISE) for Ag+, containing 1 and 2 in PVC membrane as neutral carriers, were prepared, and their selectivity coefficients for Ag+ (kag.alpot) were determined against other heavy metal ions, alkali and alkaline-earth metal ions, and ammonium ion.These ISEs showed excellent Ag+ selectivities, logkag.alpot≤-3.8, against most of the interfering cations examined, except for Hg+.
English
Molecular Design of Crown Ethers.191.Synthesis of Novel Disulfide-and Diselenide-Bridged Bis (benzo-12-crown-4)s and their Ag+ Selective Electrode Properties
Abstract:
Two novel heteroatom–bridged bis (benzo-12-crown-4 ether)s, i.e.bis [2-nitro-4,5-(1,4,7,10-tetraoxadecamethylene)phenyl] disulfide 1 and diselenide 2, have been synthesized.X-ray crystallographic structure was obtained for 1.Ion selective electrodes (ISE) for Ag+, containing 1 and 2 in PVC membrane as neutral carriers, were prepared, and their selectivity coefficients for Ag+ (kag.alpot) were determined against other heavy metal ions, alkali and alkaline-earth metal ions, and ammonium ion.These ISEs showed excellent Ag+ selectivities, logkag.alpot≤-3.8, against most of the interfering cations examined, except for Hg+.
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