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FTIR Spectroscopic Studies on Catalytic Mechanism of Lead Compounds in the Reaction of Methylene Dianiline and Dimethyl Carbonate
Alternative TitleChem. J. Chin. Univ.-Chin.
Pei Yi-Xia1,2; Li Hui-Quan1; Liu Hai-Tao1; Zhang Yi1
2012-03-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume33Issue:3Pages:598-603
AbstractThe stability and component change of the Pb(OAc)(2)center dot 3H(2)O catalyst, in the reaction of methylene dianiline (MDA) and dimethyl carbonate (DMC) to synthesize methyl diphenyl dicarbamate (MDC), were studied. The results show that the catalyst converts to be lead carbonate containing amine ligand, which still has a highly activity in the synthesis of MDC. The catalytic mechanism of the lead acetate catalyst was studied by in-situ infrared analysis with a temperature controlled liquid cells. The results show that the coordination ligand of catalyst plays an important role in the formation of intermediate tetrahedron, and the transformation between bidentate and monodentate is one of the key steps in catalysis. A possible reaction mechanism for the methoxycarbonylation reaction was proposed based on the in-situ FTIR analysis.; The stability and component change of the Pb(OAc)(2)center dot 3H(2)O catalyst, in the reaction of methylene dianiline (MDA) and dimethyl carbonate (DMC) to synthesize methyl diphenyl dicarbamate (MDC), were studied. The results show that the catalyst converts to be lead carbonate containing amine ligand, which still has a highly activity in the synthesis of MDC. The catalytic mechanism of the lead acetate catalyst was studied by in-situ infrared analysis with a temperature controlled liquid cells. The results show that the coordination ligand of catalyst plays an important role in the formation of intermediate tetrahedron, and the transformation between bidentate and monodentate is one of the key steps in catalysis. A possible reaction mechanism for the methoxycarbonylation reaction was proposed based on the in-situ FTIR analysis.
KeywordDimethyl Carbonate Lead Compound Ftir Spectroscopy Bidentate Coordination Catalytic Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.3969/j.issn.0251-0790.2012.03.031
URL查看原文
Indexed BySCI
Language英语
WOS KeywordACID DIESTERS ; ZINC ACETATE ; METHOXYCARBONYLATION ; DICARBAMATE ; DIAMINE ; MDI
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000302330800031
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6349
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Pei Yi-Xia,Li Hui-Quan,Liu Hai-Tao,et al. FTIR Spectroscopic Studies on Catalytic Mechanism of Lead Compounds in the Reaction of Methylene Dianiline and Dimethyl Carbonate[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2012,33(3):598-603.
APA Pei Yi-Xia,Li Hui-Quan,Liu Hai-Tao,&Zhang Yi.(2012).FTIR Spectroscopic Studies on Catalytic Mechanism of Lead Compounds in the Reaction of Methylene Dianiline and Dimethyl Carbonate.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,33(3),598-603.
MLA Pei Yi-Xia,et al."FTIR Spectroscopic Studies on Catalytic Mechanism of Lead Compounds in the Reaction of Methylene Dianiline and Dimethyl Carbonate".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 33.3(2012):598-603.
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