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Role of Mononuclear Rare Earth Metal Complexes in Promoting the Hydrolysis of 2-Hydroxypropyl p-Nitrophenyl Phosphate
  • ISSN号：1001-604X
  • 期刊名称：《中国化学：英文版》
  • 时间：0
  • 分类：O62[理学—有机化学;理学—化学]
  • 作者机构：[1]Department of Chemistry, Nankai University, Tianjin 300071, China, [2]Key Laboratory of Functional Polymer Materials of Ministry of Education, Nankai University, Tianjin 300071, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Nos. 20371028, 20671052）.
作者： 王蕊[1], 林海[2], 林华宽[1]
关键词： 1, 10-邻二氮杂菲, 稀有金属, 水解作用, 磷酸盐, hydrolysis, La（Ⅲ）, Gd（Ⅲ）, polyamine, 1,10-phenanthroline, 2-hydroxypropyl p-nitrophenyl phosphate
中文摘要：

二长链的 multidentate ligands：2,9-di-(n-2,5,8-triazanonyl )-1,10-phenanthroline (L1 ) 和 2,9-di-(n-4,7,10-triazaundecyl )-1,10-phenanthroline (L2 ) 被综合。p-nitrophenyl 磷酸盐(HPNP ) 与 La (III ) 或 Gd (III ) 由 L1 或 L2 的建筑群催化的 2-hydroxypropyl 的 hydrolytic 动力学在水的答案被学习了在(298.2 潣灭敬數 s 吗？

英文摘要：

Two long-chain multidentate ligands： 2,9-di-（n-2＇,5＇,8＇-triazanonyl）-1,10-phenanthroline （L^1） and 2,9-di- （n-4＇,7＇,10＇-triazaundecyl）-1,10-phenanthroline （L^2） were synthesized. The hydrolytic kinetics of 2-hydroxypropyl p-nitrophenyl phosphate （HPNP） catalyzed by the complexes of L^1 or L^2 with La（Ⅲ） or Gd（Ⅲ） have been studied in aqueous solution at （298.2±0.1） K, I=0.10 mol·dm^-3 KNO3 in pH 7.5-9.1, respectively, finding that the catalytic effect of GdL^1 was the best among the four complexes for hydrolysis of HPNP. Its kLnLH-1, kLnLand pKa are 0.047 mol^-1·L·s^-1, 0.000074 mol^-1·L·s^-1 and 8.90, respectively. This paper expounded the studied result with the structure of the ligands and the properties of the metal ions, and deduced the catalysis mechanism.

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期刊信息
  • 《中国化学：英文版》
  • 主管单位:
  • 主办单位:中国化学会
  • 主编：
  • 地址：上海市枫林路354号中科院上海有机化学研究所
  • 邮编：200032
  • 邮箱：
  • 电话：021-54925243
  • 国际标准刊号：ISSN：1001-604X
  • 国内统一刊号：ISSN：31-1547/O6
  • 邮发代号:4-646
  • 获奖情况:
  • 中国期刊方阵“双高”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国科学引文索引（扩展库）,日本日本科学技术振兴机构数据库,英国英国皇家化学学会文摘
  • 被引量:175