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14
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34547229120
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For another recent contribution about a stereoselective organocatalytic Strecker reaction see:
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66449132403
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A reasonable explanation for this result is that the initially-formed triphenyl phosphinimine A is transformed into the carbodiimide Bvia an aza Wittig-type reaction with the arylisothiocyanate. The subsequent aqueous work-up delivered the glycosyl urea 6 The separation of the components of the anomeric mixture and the isolation of an anomerically pure thiourea was unfeasible. Moreover, any attempt to generate the anomerically pure glucosyl amine to be coupled with the aryl isothiocyanate failed For a recent reviews see
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5544242529
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All molecular mechanics calculations were run with standard procedures implemented in the MacroModel/Batchmin 7.2 package (Schroedinger, 2001). Original reference for Macro-Model:
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T. A. Halgren J. Comput. Chem. 1999 20 720 748
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F. Mohamadi N. G. J. Richards C. Guida R. Liskamp C. Lipton C. Caufield G. Chang T. Hendrickson W. C. Still J. Comput. Chem. 1990 11 440 467
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Chang, G.7
Hendrickson, T.8
Still, W.C.9
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0003684989
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Prentice Hall, New Jersey For a discussion of AM1 features with respect to other semiempirical Hamiltonians
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For a discussion of AM1 features with respect to other semiempirical Hamiltonians A. R. Leach, Molecular Modelling. Prentice Hall, New Jersey, 2001
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Frisch, M.J.1
Trucks, G.W.2
Schlegel, H.B.3
Scuseria, G.E.4
Robb, M.A.5
Cheeseman, J.R.6
Montgomery, Jr.J.A.7
Vreven, T.8
Kudin, K.N.9
Burant, J.C.10
Millam, J.M.11
Iyengar, S.S.12
Tomasi, J.13
Barone, V.14
Mennucci, B.15
Cossi, M.16
Scalmani, G.17
Rega, N.18
Petersson, G.A.19
Nakatsuji, H.20
Hada, M.21
Ehara, M.22
Toyota, K.23
Fukuda, R.24
Hasegawa, J.25
Ishida, M.26
Nakajima, T.27
Honda, Y.28
Kitao, O.29
Nakai, H.30
Klene, M.31
Li, X.32
Knox, J.E.33
Hratchian, H.P.34
Cross, J.B.35
Bakken, V.36
Adamo, C.37
Jaramillo, J.38
Gomperts, R.39
Stratmann, R.E.40
Yazyev, O.41
Austin, A.J.42
Cammi, R.43
Pomelli, C.44
Ochterski, J.W.45
Ayala, P.Y.46
Morokuma, K.47
Voth, G.A.48
Salvador, P.49
Dannenberg, J.J.50
Zakrzewski, V.G.51
Dapprich, V.52
Daniels, A.D.53
Strain, M.C.54
Farkas, O.55
Malick, D.K.56
Rabuck, A.D.57
Raghavachari, K.58
Foresman, J.B.59
Ortiz, J.V.60
Cui, Q.61
Baboul, A.G.62
Clifford, S.63
Cioslowski, J.64
Stefanov, B.B.65
Liu, G.66
Liashenko, A.67
Piskorz, A.68
Komaromi, I.69
Martin, R.L.70
Fox, D.J.71
Keith, T.72
Al-Laham, M.A.73
Peng, C.Y.74
Nanayakkara, A.75
Challacombe, M.76
Gill, P.M.W.77
Johnson, B.78
Chen, W.79
Wong, M.W.80
Gonzalez, C.81
Pople, J.A.82
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