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Heat capacities and thermodynamic properties of (-)-2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino) butane [(-)-DIOP]
Wu, XM; Tan, ZC; Yong, JS; Meng, SH; Qu, SS
关键词Diop Heat Capacity Phase Transition Enthalpy Of Fusion Purity Determination
刊名THERMOCHIMICA ACTA
2000-03-29
346期:1-2页:57-62
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]ASYMMETRIC HYDROGENATION ; COMPLEXES
英文摘要Heat capacities of (-)-DIOP have been measured with a precision automatic adiabatic calorimeter in the temperature range from 78 to 380 K. A solid-solid phase transition for the compound was observed at 338.65 K and the molar enthalpy and entropy of the transition were determined to be 3.415 kJ mol(-1) and 9.795 J mol(-1), respectively. A solid-liquid phase transition was found at 364.23 K and the molar enthalpy and entropy of fusion were determined to be 38.606 kJ mol(-1) and 106.0 J K-1 mol(-1) respectively. The purity of the sample under investigation was determined to be 0.9837 molar fraction by the fractional melting method. (C) 2000 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000086004900008
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138798
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Wuhan Univ, Chem Coll, Wuhan 430072, Peoples R China
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Wu, XM,Tan, ZC,Yong, JS,et al. Heat capacities and thermodynamic properties of (-)-2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino) butane [(-)-DIOP][J]. THERMOCHIMICA ACTA,2000,346(1-2):57-62.
APA Wu, XM,Tan, ZC,Yong, JS,Meng, SH,&Qu, SS.(2000).Heat capacities and thermodynamic properties of (-)-2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino) butane [(-)-DIOP].THERMOCHIMICA ACTA,346(1-2),57-62.
MLA Wu, XM,et al."Heat capacities and thermodynamic properties of (-)-2,3-O-isopropylidene-2,3-dihydroxy-1,4-bis (diphenylphosphino) butane [(-)-DIOP]".THERMOCHIMICA ACTA 346.1-2(2000):57-62.
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