cheminform abstract: molecular design of crown ethers. part 19. synthesis of novel disulfide- and...

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2000 multi-membered O,S-heterocycles multi-membered O,S-heterocycles (O or S ring members) R 0691 35 - 152 Molecular Design of Crown Ethers. Part 19. Synthesis of Novel Disulfide- and Diselenide-Bridged Bis(benzo-12-crown-4)s and Their Ag + -Selective Electrode Properties. The novel title compounds (III) and (IV) show excellent Ag + selectivity against Na + ,K + , NH4 + , Mg 2+ , Ni 2+ , Cu 2+ , Zn 2+ , Cd 2+ , and Pb 2+ ions, but not against Hg 2+ . — (LIU, YU; ZHANG, HENG-YI; CHEN, LANG-XING; HE, XI-WEN; WADA, TAKEHIKO; INOUE, YOSHIHISA; J. Org. Chem. 65 (2000) 10, 2870-2874; Dep. Chem., Nankai Univ., Tianjin 300071, Peop. Rep. China; EN) 1

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Page 1: ChemInform Abstract: Molecular Design of Crown Ethers. Part 19. Synthesis of Novel Disulfide- and Diselenide-Bridged Bis(benzo-12-crown-4)s and Their Ag+-Selective Electrode Properties

2000 multi-membered O,S-heterocycles

multi-membered O,S-heterocycles (O or S ring members)R 0691

35 - 152Molecular Design of Crown Ethers. Part 19. Synthesis of NovelDisulfide- and Diselenide-Bridged Bis(benzo-12-crown-4)s and TheirAg+-Selective Electrode Properties. — The novel title compounds (III)and (IV) show excellent Ag+ selectivity against Na+, K+, NH4+, Mg2+, Ni2+,Cu2+, Zn2+, Cd2+, and Pb2+ ions, but not against Hg2+. — (LIU, YU;ZHANG, HENG-YI; CHEN, LANG-XING; HE, XI-WEN; WADA, TAKEHIKO;INOUE, YOSHIHISA; J. Org. Chem. 65 (2000) 10, 2870-2874; Dep. Chem.,Nankai Univ., Tianjin 300071, Peop. Rep. China; EN)

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