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Crystal structure of (±)-(5SR,6SR)-6-ethenyl-1-[(RS)-1-phenyl-eth-oxy]-1-aza-spiro-[4.5]decan-2-one.


ABSTRACT: In the title compound, C19H25NO2, the pyrrolidine ring adopts an envelope form, with the spiro C atom as the flap, while the cyclo-hexane ring shows a chair form. A weak intra-molecular C-H?O inter-action supports the mol-ecular conformation, generating an S(6) ring motif. In the crystal, pairs of C-H?O inter-actions connect the mol-ecules into inversion dimers with an R 2 (2)(16) ring motif. The dimers are linked by a second pair of C-H?O inter-actions, enclosing an R 4 (2)(12) ring motif, into a tape structure along the b axis.

SUBMITTER: Oishi T 

PROVIDER: S-EPMC4719830 | biostudies-other | 2015 Dec

REPOSITORIES: biostudies-other

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Crystal structure of (±)-(5SR,6SR)-6-ethenyl-1-[(RS)-1-phenyl-eth-oxy]-1-aza-spiro-[4.5]decan-2-one.

Oishi Takeshi T   Yamamoto Shio S   Yokoyama Takashi T   Kobayashi Akihiro A   Sato Takaaki T   Chida Noritaka N  

Acta crystallographica. Section E, Crystallographic communications 20151125 Pt 12


In the title compound, C19H25NO2, the pyrrolidine ring adopts an envelope form, with the spiro C atom as the flap, while the cyclo-hexane ring shows a chair form. A weak intra-molecular C-H⋯O inter-action supports the mol-ecular conformation, generating an S(6) ring motif. In the crystal, pairs of C-H⋯O inter-actions connect the mol-ecules into inversion dimers with an R 2 (2)(16) ring motif. The dimers are linked by a second pair of C-H⋯O inter-actions, enclosing an R 4 (2)(12) ring motif, into  ...[more]

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