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(a) Takahata, H. ; Imose, K. ; Araya, N. ; Momose, T. Heterocycles 1994, 38, 1961.
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Momose, T.4
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Leclercq, S.1
Thirionet, I.2
Broeders, F.3
Daloze, D.4
Van Der Meer, R.5
Braeckman, J.C.6
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5
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33845375548
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(d) Grierson, D. S. ; Royer, J. ; Guerrier, L. ; Husson, H. P. J. Org. Chemt. 1986, 51, 4475.
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Grierson, D.S.1
Royer, J.2
Guerrier, L.3
Husson, H.P.4
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7
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33845374499
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(a) Shono, T. ; Matsumura, Y. ; Tsubata, K. ; Uchida, K. J. Org. Chem. 1986, 51, 2590.
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Shono, T.1
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Tsubata, K.3
Uchida, K.4
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0006888951
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(b) Irie, K. ; Aeo, K. ; Tanaka, T. ; Saito, S. J. Chem. Soc., Chem. Commun. 1985, 633.
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Irie, K.1
Aeo, K.2
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Saito, S.4
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10
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0000188393
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Georg Thieme Verlag : Stuttgart
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(b) For review about stereoselective additions to N-acyliminium ions see : De Koning, H. ; Speckamp, W. N. in Methoden der Organischen Chemie (Houben-Weyl) ; Georg Thieme Verlag : Stuttgart, 1995, Vol. E21b, pp 1953-2009.
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De Koning, H.1
Speckamp, W.N.2
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0031584886
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Dhimane, H.1
Vanucci, C.2
Lhommet, G.3
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12
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0028286139
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3, leading selectively to the trans azido compound has already been reported : Matsumura, Y. ; Tomita, T. Tetrahedron Lett. 1994, 35, 3737.
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(1994)
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Matsumura, Y.1
Tomita, T.2
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13
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0026001558
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Shono, T. ; Matsumura, Y. ; Fujita, T. Tetrahedron Lett. 1991, 32, 6723.
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Shono, T.1
Matsumura, Y.2
Fujita, T.3
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14
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26844582487
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note
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2 ; C 66.27, H 8.34, N 7.73 ; found C 66.13, H 8.37, H 7.75.
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15
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26844466616
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note
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2 ; C 70.29, H 6.29, N 10.93 ; found C 70.20, H 6.32, N 10.99.
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16
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26844554102
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note
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13C NMR, optical rotation and elemental analysis.
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17
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26844449879
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note
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13C NMR were recorded on a Bruker ARX 250 apparatus equipped with a reverse probe. Analytical GC were performed on a Delsi 30 apparatus equipped with a split-mode capillary injection system and a flame ionisation detector. Fused silica column CPSIL 5 (Chrompack) (25 m x 250 μm) was used.
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26844581669
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note
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The authors have deposited atomic coordinates for Sb with the Cambridge Crystallographic Data Center. They can be obtained, on request, from the Director, Cambridge Crystallographic Data Center, 12 Union Road, Cambridge, CB2 1EZ, UK.
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19
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0004104385
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Ed. Kagan, H.B., Georg Thieme : Stuttgart
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Gaudemer, A. in Stereochemistry : Fundamentals and Methods ; Vol. 1 ; Ed. Kagan, H.B., Georg Thieme : Stuttgart, 1977, p 94.
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(1977)
Stereochemistry : Fundamentals and Methods
, vol.1
, pp. 94
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Gaudemer, A.1
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26844545067
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note
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13C-α signal appears at 50 ppm is believed to have a trans stereochemistry .
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21
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26844431964
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note
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2 character of the nitrogen atom, conformation B shown in figure 2 is precluded.
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