(−)-(1S,5R)-2-Oxabicyclo[3.3.1]nonan-3-one
نویسندگان
چکیده
In the title compound, C(8)H(12)O(2), the cyclo-hexane ring exhibits a chair conformation and the δ-lactone ring is axially bonded to the cyclo-hexane ring. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, resulting in ribbons extending along [010].
منابع مشابه
(1S*,5R*)-9-Phenyl-9-azabicyclo[3.3.1]nonan-3-one
In the title compound, C(14)H(17)NO, the piperidinone and piperidine rings both adopt a chair conformation. The chiral crystals were obtained from a racemic reaction product via spontaneous resolution.
متن کامل2,4-Bis(2-methoxyphenyl)-3-azabicyclo[3.3.1]nonan-9-one
In the crystal structure, the title compound, C(22)H(25)NO(3), exists in a twin-chair conformation with equatorial orientations of the meta-methoxy-phenyl groups on both sides of the secondary amino group. The title compound is a positional isomer of 2,4-bis-(2-methoxy-phen-yl)-3-aza-bicyclo-[3.3.1]nonan-9-one and 2,4-bis-(4-methoxy-phen-yl)-3-aza-bicyclo-[3.3.1]nonan-9-one, which both also exh...
متن کامل2,4-Bis(2-bromophenyl)-7-tert-pentyl-3-azabicyclo[3.3.1]nonan-9-one
The title compound, C(25)H(29)Br(2)NO, is a tert-pentyl analog of 2,4-bis-(2-bromo-phen-yl)-3-aza-bicyclo-[3.3.1]nonan-9-one [Par-thiban et al. (2008 ▶). Acta Cryst. E64, o2385]. Similar to its analog, the title compound exists in a twin-chair conformation with an equatorial orientation of the 2-bromo-phenyl groups. The benzene rings are inclined to each other at a dihedral angle of 29.6 (3)°. ...
متن کاملCrystal structure of 2,4-bis(2-chlorophenyl)-7-tert-pentyl-3-azabicyclo[3.3.1]nonan-9-one
The title compound, C25H29Cl2NO, which is a chloro analog of 2,4-bis-(2-bromo-phen-yl)-7-(tert-pent-yl)-3-aza-bicyclo-[3.3.1]nonan-9-one [Park, Ramkumar & Parthiban (2012). Acta Cryst. E68, o2946], exists in a twin-chair conformation with an equatorial orientation of the 2-chloro-phenyl groups. The tert-pentyl group on the cyclo-hexa-none adopts an exocyclic equatorial position and is disordere...
متن کامل(1S*,2R*,3S*,4R*,5R*)-5-Tetradecyloxymethyl-7-oxabicyclo[2.2.1]heptane-2,3-dicarboxylic anhydride
In the title compound, C23H38O5, the oxabicyclo-[2.2.1]heptane-2,3-dicarb-oxy-lic anhydride unit has a normal geometry and the tetra-decoxymethyl side chain is fully extended. In the crystal, mol-ecules are linked head-to-head by C-H⋯O hydrogen bonds, forming two-dimensional networks propagating along the a and c-axis directions.
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