Tetrahedron letters

New strategy for racemization of 2-amino-1, 3-propanediols, key intermediates for the synthesis of antibiotic drugs

C Giordano, S Cavicchioli, S Levi, M Villa

Index: Giordano, Claudio; Cavicchioli, Silvia; Levi, Silvio; Villa, Marco Tetrahedron Letters, 1988 ,  vol. 29,  # 43  p. 5561 - 5564

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Citation Number: 25

Abstract

The new compounds are fully characterized by 1 H-NMR (300 MHz), 13 C-NMR (75 MHz), IR, mass spectral and elemental analyses. : mp 98 – 101°; [α] 20 D = +35.7° (c = 1.0, CHCl 3 ). MS (DCI isobutane): m/e 300 (M + 1) + ; IR(1%,CHCl3) 1650 cm −1 (CN); 1 H-NMR(300 MHz) (CDCl 3 ): δ (ppm): 2.50 (s, 3H); 4.11 (m, 1H); 4.27 (m, 1H); 4.52 (m, 2H); 7.2 – 8.0 (m, 9H). : MS (DCI isobutane): m/e 298 (M + 1) + ; IR (1%, CHCl 3 ) 1590, 1640, 1685 cm −1 ; ...