Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 12 (December 2013)


organic compounds



lh5665 scheme

Acta Cryst. (2013). E69, o1772    [ doi:10.1107/S1600536813030584 ]

2-N-Benzyl-2,6-dide­oxy-2,6-imino-3,4-O-iso­propyl­idene-D-allono­nitrile

B. J. Ayers, S. F. Jenkinson, G. W. J. Fleet and A. L. Thompson

Abstract: X-ray crystallography firmly established the relative stereochemistry of the title compound, C16H20N2O3. The acetonide ring adopts an envelope conformation with one of the O atoms as the flap and the piperidine ring adopts a slightly twisted boat conformation. The absolute configuration was determined by use of D-ribose as the starting material. The compound exists as O-H...O hydrogen-bonded chains of mol­ecules running parallel to the b axis.


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