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N-(1-Acryloyl-2,2,6,6-tetra-methyl-piperidin-4-yl)acryl-amide.

ABSTRACT: The title compound, C(15)H(24)N(2)O(2), crystallizes with two unique mol-ecules, (I) and (II), in the asymmetric unit, differing in the orientation of the acryloyl units with respect to the piperidine rings. The acryl-amide units are essentially planar in both mol-ecules (r.m.s. deviations = 0.042 and 0.024?Å, respectively), as are the C(3)N chains of the acryloyl units. The carbonyl O atoms of the acryloyl systems lie significantly out of these planes, viz. by -0.171?(9)?Å for molecule (I) and by 0.33?(1)?Å for molecule (II). The acryl-amide and acryloyl planes are inclined at 68.7?(4)° and 59.8?(3)° in the two mol-ecules. The piperidine rings each adopt twist boat conformations. In the crystal, strong N-H?O hydrogen bonds link the mol-ecules into zigzag C(4) chains along b. Additional C-H?O contacts result in the formation of stacks along a.

SUBMITTER: Goswami SK 

PROVIDER: S-EPMC3247421 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature

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N-(1-Acryloyl-2,2,6,6-tetra-methyl-piperidin-4-yl)acryl-amide.

Goswami Shailesh K SK   Hanton Lyall R LR   McAdam C John CJ   Moratti Stephen C SC   Simpson Jim J  

Acta crystallographica. Section E, Structure reports online 20111022 Pt 11

The title compound, C(15)H(24)N(2)O(2), crystallizes with two unique mol-ecules, (I) and (II), in the asymmetric unit, differing in the orientation of the acryloyl units with respect to the piperidine rings. The acryl-amide units are essentially planar in both mol-ecules (r.m.s. deviations = 0.042 and 0.024 Å, respectively), as are the C(3)N chains of the acryloyl units. The carbonyl O atoms of the acryloyl systems lie significantly out of these planes, viz. by -0.171 (9) Å for molecule (I) and  ...[more]

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