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题名: Alkali-hydrolysis of D-glucono-delta-lactone studied by chiral Raman and circular dichroism spectroscopies
作者: Jia GuoQing1, 2;  Qiu Shi1, 2;  Li GuanNa1, 2;  Zhou Jun1, 2;  Feng ZhaoChi1;  Li Can1
通讯作者: 冯兆池 ;  李灿
关键词: chiral Raman spectroscopy (CRS) ;  circular dichroism (CD) ;  stopped-flow ;  D-glucono-delta-lactone (GDL) ;  hydrolysis
刊名: SCIENCE IN CHINA SERIES B-CHEMISTRY
发表日期: 2009-05-01
DOI: 10.1007/s11426-009-0085-0
卷: 52, 期:5, 页:552-558
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 503
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The alkali-hydrolysis of D-glucono-delta-lactone (GDL) was investigated by chiral Raman and circular dichroism (CD) spectroscopies in combination with density functional theory calculation. Based on the characteristic CD bands of GDL and its hydrolysis product, the dynamics of hydrolysis was studied using stopped-flow CD method. Using chiral Raman spectroscopy (CRS), the stereochemical change of GDL owing to the hydrolysis reaction was discussed on the vibrational scale. The CRS results show that the ring-opening due to hydrolysis has a great influence on the chiral structure around the carbonyl group, which was evidenced by the disappearance of the CRS band at 1735 cm 1 (C=O stretching vibrational mode). In addition, the change of positions and intensity of CRS bands was also observed, which was ascribed to the perturbation around the C2, C3, C4 and C5 carbons due to ring-opening. It is worthy to note that the stereochemistry of C2, C3, C4 and C5 had no fundamental change during the hydrolysis reaction, which was reflected in the maintenance of the signs of the CRS bands. Our results demonstrate that in comparison with CD technique, CRS may provide more detailed structural information of chiral molecules and open up new vistas of research for chiral reactions.
关键词[WOS]: OPTICAL-ACTIVITY ;  ABSOLUTE-CONFIGURATION ;  BIOMOLECULAR STRUCTURE ;  INCISIVE PROBE ;  STEREOCHEMISTRY ;  MONOSACCHARIDES ;  GLYCOPROTEINS ;  BIOPOLYMERS ;  ROTATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000266094800003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102507
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Jia GuoQing,Qiu Shi,Li GuanNa,et al. Alkali-hydrolysis of D-glucono-delta-lactone studied by chiral Raman and circular dichroism spectroscopies[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2009,52(5):552-558.
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