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Dimethyl 11,13-dimethyl-16-[1,2-bis-(methoxy-carbon-yl)ethen-yl]-12-oxo-16,17-dioxa-18-aza-hexa-cyclo-[7.5.1.1.1.1.0]octa-deca-2,7-diene-2,3-dicarboxyl-ate.

ABSTRACT: The title compound, C(27)H(29)NO(11), is a product of the tandem 'domino' Diels-Alder reaction. The mol-ecule comprises a fused hexa-cyclic system containing four five-membered rings (two dihydro-furan and two tetra-hydro-furan) in the usual envelope conformations and two six-membered rings (tetra-hydro-pyridinone and piperidine) adopting slightly flattened boat and chair conformations, respectively. The dispositions of the carboxyl-ate substituents relative to each other are determined by both steric reasons and inter-molecular C-H?O hydrogen bonding and attractive anti-parallel C=O?C=O inter-actions [C?O = 2.995?(2)?Å].

SUBMITTER: Gurbanov AV 

PROVIDER: S-EPMC2972130 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature

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Dimethyl 11,13-dimethyl-16-[1,2-bis-(methoxy-carbon-yl)ethen-yl]-12-oxo-16,17-dioxa-18-aza-hexa-cyclo-[7.5.1.1.1.1.0]octa-deca-2,7-diene-2,3-dicarboxyl-ate.

Gurbanov Atash V AV   Nikitina Eugeniya V EV   Sorokina Elena A EA   Zubkov Fedor I FI   Khrustalev Victor N VN  

Acta crystallographica. Section E, Structure reports online 20091128 Pt 12

The title compound, C(27)H(29)NO(11), is a product of the tandem 'domino' Diels-Alder reaction. The mol-ecule comprises a fused hexa-cyclic system containing four five-membered rings (two dihydro-furan and two tetra-hydro-furan) in the usual envelope conformations and two six-membered rings (tetra-hydro-pyridinone and piperidine) adopting slightly flattened boat and chair conformations, respectively. The dispositions of the carboxyl-ate substituents relative to each other are determined by both  ...[more]

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