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2 or RP-18), and their spectral data (EIMS or FABMS, NMR and IR) were consistent with the proposed structure. Spectral data obtained for compounds 5a-c arc in full agreement with those previously reported in refs. 6, 11 and 8, respectively.
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0344088888
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2O).
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19
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0000276413
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1H NOE experiments were recorded in a BRUKER AC200 spectrometer, using the NOEMULT.AU software for ASPECT3000 computers
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1H NOE spectroscopy, as depicted in Fig.3.
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21
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0345382402
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note
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a) PCModel version 5 (Molecular Modelling Software) and GMMX version 1.6. (Global Conformational Search Program), from Serena Software, Bloomington, IN 47402, USA.
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22
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0344088887
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Revised version of MOPAC93, Fujitsu Ltd, Tokyo, Japan
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b) Revised version of MOPAC93, Fujitsu Ltd, Tokyo, Japan 1993.
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0345382403
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c) CS Chem3D Pro, version 4.0. Molecular Modeling and Analysis Program from CambridgeSoft Corporation, Cambridge, MA 02139, USA.
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