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Convenient Preparation of Mono-2 or Mono-3-O-Benzoyl--Cyclodextrin Dependent the Solvent Equilibrium

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1TitleTitle of DocumentConvenient Preparation of Mono-2 or Mono-3-O-Benzoyl--Cyclodextrin Dependent the Solvent Equilibrium
2CreatorAuthor's name, affiliation, country ZHI-ZHONG WANG
Engineering Research Center for Hui Medicine Modernization, School of Pharmacy, Ningxia Medical University, Yinchuan, Ningxia, 750004, P. R. China
3SubjectDicipline(s) Chemical Science
3SubjectKeywords Cyclodextrin, Benzoylation, Isomerization, Equilibrium
4DescriptionAbstract A new and convenient method is presented for the preparation of mono-2 or mono-3-O-benzoyl--cyclodextrin by direct benzoylation of -cyclodextrin on the secondary hydroxyl face using N-benzoylimidazole in carbonate buffer solution. These processes involved the solvent-dependent equilibriums of isomerization to improve the yields. Among the common solvents
(N,N-dimethylform-amide, dimethyl sulfoxide and H2O), dimethyl sulfoxide is the most advantageous for preparing mono-2-O-benzoyl--cyclodextrin and H2O is the most advantageous for preparing mono-3-O-benzoyl--cyclodextrin.
5PublishersOrganizing agency, location WWW Publications, India
6Contributor Sponsor(s) -
7DateDate (YYYY-MM-DD) -
8TypeStatus & genre Peer-reviewed Article
8TypeType
9FormateFile Formate PDF
10IdentifierUniform Resource Identifier Click Here
10IdentifierDigital Object Identifier DOI:10.7598/cst2012.117
11SourceJournal/conference title; vol., no. (Year)Chemical Science Transactions, Volume  1 , Number  (1), (2012)
12LanuguageEnglish=en en
13RelationSupp.files
14Coverage -
15CopyrightCopyright and permissions
Chemical Science Transactions | Chem Sci Trans | CST | Online Chemistry Journal | Open Access
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