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Dimethyl 2-[22,24-dimethyl-23-oxo-8,11,14-trioxa-25-aza-tetra-cyclo-[19.3.1.0(2,7).0(15,20)]penta-cosa-2,4,6,15(20),16,18-hexaen-25-yl]but-2-enedioate.


ABSTRACT: The title compound, C(29)H(33)NO(8), is a product of the Michael addition of the cyclic secondary amine subunit of the aza-14-crown-4 ether to dimethyl acetyl-enedicarboxyl-ate. The piperidinone ring exhibits a distorted chair conformation, and the dimethyl ethylenedicarboxylate fragment has a cis configuration with a dihedral angle of 78.96?(5)° between the two carboxyl-ate groups. The crystal packing is stabilized by weak C-H?O hydrogen bonds.

SUBMITTER: Anh le T 

PROVIDER: S-EPMC3379201 | biostudies-other | 2012 Jun

REPOSITORIES: biostudies-other

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Dimethyl 2-[22,24-dimethyl-23-oxo-8,11,14-trioxa-25-aza-tetra-cyclo-[19.3.1.0(2,7).0(15,20)]penta-cosa-2,4,6,15(20),16,18-hexaen-25-yl]but-2-enedioate.

Anh Le Tuan le T   Hieu Truong Hong TH   Soldatenkov Anatoly T AT   Kolyadina Nadezhda M NM   Khrustalev Victor N VN  

Acta crystallographica. Section E, Structure reports online 20120502 Pt 6


The title compound, C(29)H(33)NO(8), is a product of the Michael addition of the cyclic secondary amine subunit of the aza-14-crown-4 ether to dimethyl acetyl-enedicarboxyl-ate. The piperidinone ring exhibits a distorted chair conformation, and the dimethyl ethylenedicarboxylate fragment has a cis configuration with a dihedral angle of 78.96 (5)° between the two carboxyl-ate groups. The crystal packing is stabilized by weak C-H⋯O hydrogen bonds. ...[more]

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