Acta Cryst. (2003). E59, o1621-o1623  [ doi:10.1107/S1600536803019482 ]

N-(2-Hydroxynaphthylmethyl)-(S)-proline methyl ester

P.-W. Zheng and C.-B. Li

Abstract: The title compound, C₁₆H₁₇NO₃, a new derivative of L-proline, was synthesized via a Mannich reaction. The X-ray crystal analysis revealed that the pyrrolidine ring adopts an envelope conformation, with the N atom deviating by 0.515  (5)  Å from the mean plane through the four C atoms. The 2-hydroxynaphthylmethyl moiety, which is trans to the methoxycarbonyl group, adopts a pseudo-equatorial direction.

Online 7 October 2003

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