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学科主题: 物理化学
题名: Heat capacities and thermodynamic properties of (S)-tert-butyl 1-phenylethylcarbamate
作者: Zeng, Ju-Lan1;  Yu, Sai-Bo2;  Tong, Bo3;  Sun, Li-Xian4;  Tan, Zhi-Cheng4;  Cao, Zhong1;  Yang, Dao-Wu1;  Zhang, Jing-Nan5
通讯作者: ZengJulan
关键词: (S)-tert-butyl 1-phenylethylcarbamate ;  Phase transition ;  Adiabatic calorimetry ;  DSC ;  TG
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2011-03-01
DOI: 10.1007/s10973-010-1155-4
卷: 103, 期:3, 页:1087-1093
收录类别: SCI
文章类型: Article
部门归属: DNL19
项目归属: 1903
产权排名: 4,4
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
摘要: Heat capacities and thermodynamic properties of (S)-tert-butyl 1-phenylethylcarbamate
研究领域[WOS]: Chemistry
英文摘要: An N-tert-butyloxycarbonylated organic synthesis intermediate, (S)-tert-butyl 1-phenylethylcarbamate, was prepared and investigated by means of differential scanning calorimetry (DSC) and thermogravimetry (TG). The molar heat capacities of (S)-tert-butyl 1-phenylethylcarbamate were precisely determined by means of adiabatic calorimetry over the temperature range of 80-380 K. There was a solid-liquid phase transition exhibited during the heating process with the melting point of 359.53 K. The molar enthalpy and entropy of this transition were determined to be 29.73 kJ mol(-1) and 82.68 J K(-1) mol(-1) based on the experimental C (p)-T curve, respectively. The thermodynamic functions, and were calculated from the heat capacity data in the temperature range of 80-380 K with an interval of 5 K. TG experiment showed that the pyrolysis of the compound was started at the temperature of 385 K and terminated at 510 K within one step.
关键词[WOS]: N-TERT-BUTOXYCARBONYLATION ;  BOC PROTECTION ;  RECYCLABLE CATALYST ;  SMALL SAMPLES ;  AMINES ;  EFFICIENT ;  ACID ;  CALORIMETER
语种: 英语
WOS记录号: WOS:000287712400039
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115775
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Changsha Univ Sci & Technol, Hunan Prov Key Lab Mat Protect Elect Power & Tran, Changsha 410114, Hunan, Peoples R China
2.China Tobacco Hunan Ind Corp, Changsha 410007, Hunan, Peoples R China
3.Dalian Univ Technol, Sch Chem Engn, Dept Chem, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
5.Heilongjiang E Coll, Dept Food & Environm Engn, Haerbin 150086, Peoples R China

Recommended Citation:
Zeng, Ju-Lan,Yu, Sai-Bo,Tong, Bo,et al. Heat capacities and thermodynamic properties of (S)-tert-butyl 1-phenylethylcarbamate[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2011,103(3):1087-1093.
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