Document Detail

Investigation of the binding of roxatidine acetate hydrochloride with cyclomaltoheptaose (β-cyclodextrin) using IR and NMR spectroscopy.
MedLine Citation:
PMID:  21816394     Owner:  NLM     Status:  Publisher    
NMR chemical shift changes of the cyclomaltoheptaose (β-cyclodextrin, β-CD) cavity protons as well as roxatidine acetate hydrochloride aromatic ring protons revealed the formation of a RAH-β-CD inclusion complex. Detailed FTIR and NMR spectroscopic ((1)H NMR, COSY, NOESY, ROESY) studies have been done. The stoichiometry of the complex was determined to be 1:1, and the overall binding constant was also determined by Scott's method. The NOESY spectrum confirmed the selective penetration of the aromatic ring of RAH into the β-CD cavity in comparison to that of the piperidine ring. The mode of penetration of the guest into the CD cavity and structure of the complex has been established.
Arti Maheshwari; Manisha Sharma; Deepak Sharma
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-18
Journal Detail:
Title:  Carbohydrate research     Volume:  -     ISSN:  1873-426X     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-8-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0043535     Medline TA:  Carbohydr Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Department of Chemistry, IET, Mangalayatan University, Beswan, Aligarh, India.
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