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Volumn 9, Issue 4, 2003, Pages 951-962

A computational study of regioselectivity in a cyclodextrin-mediated Diels - Alder reaction: Revelation of site selectivity and the importance of shallow binding and multiple binding modes

Author keywords

Cycloadditions; Cyclodextrin; Molecular dynamics calculations; Transition structure

Indexed keywords

COMPUTER SIMULATION; ELECTROSTATICS; ISOMERS; MOLECULAR DYNAMICS; MONTE CARLO METHODS; VAN DER WAALS FORCES;

EID: 0345269901     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/chem.200390117     Document Type: Article
Times cited : (14)

References (79)
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    • e) for the latest reviews, see the special edition of cyclodextrin chemistry in Chem. Rev. 1998, 98, 1741-2076.
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    • e) H.-J. Schneider, N. K. Sangwan, Angew. Chem. 1987, 99, 924; Angew. Chem. Int. Ed. Engl. 1987, 26, 896;
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    • note
    • See the Supporting Information: Figure showing snapshots taken during MD simulations from the two guest orientations in Scheme 3.
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    • Kluwer Academic, Dordecht (The Netherlands)
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    • (Eds.: J. L. Atwood, J. E. D. Davies, D. D. MacNicol), Academic, London
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    • note
    • All MD trajectories were moved to a common coordinate axis followed by 3D superposition to display in mutual orientations. The transition structure from each trajectory is represented by a dot calculated from the center of mass of the TS relative to the centroid of the best-fit plane defined by the seven acetal-linking oxygen atoms of the CD, and the CD structure displayed in the diagram is calculated from the average of all the trajectories. The program for the above operations was written by Dr. T.-S. Hwang.
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    • Clustering and classification: Background and current directions
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    • note
    • A total of 9000 MCMM/MOLS steps (from searches with six starting configurations) were carried out at each rim of the CD. Although the number of search steps we used were not many, we have observed that for each search most unique structures found at later steps had a higher energy and also a larger number of structures with lower energy were duplicates of previously found structures.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.