Examination of Quasienantiomers of Oxadiazinanones Which Fail to Fractionally Crystallize

Abstract

5R,6S)-4n-Butyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 6 Crystallization Procedure X-Ray Diffraction III. CRYSTALLOGRAPHIC RESULTS Crystallographic Details of (5R,6S)-4-Cyclopentyl-5methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 1 ii Crystallographic Details of Racemic 4-Cyclopentyl-5methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 2 Crystallographic Details of Quasiracemate of (5R,6S)-4cyclopentyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one and (5S,6R)-4-isopropyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 3 Crystallographic Details of Quasiracemate of (5R,6S)-4-Cyclopentyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one and (5S,6R)-4-Cyclohexyl-5-methyl-6 phenyl-2H-1,3,4-oxadiazina-2-one, 4 Crystallographic Details of 5 Crystallographic Details of 6 Summary of Crystallographic Details of Crystals Studied in This Research 56 IV. DISCUSSION OF CRYSTAL STRUCTURES Summary of the Formation of Quasiracemates and Some Key Crystallographic Data Pertaining to the Oxadiazinanones Studied Analysis of (5R,6S)-4-Cyclopentyl-5-methyl-6-phenyl-2H-1,3,4oxadiazinan-2-one, 1 Analysis of the Racemate of 4-Cyclopentyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 2 Analysis of the Quasiracemate of (5R,6S)-5-Methyl-4-cyclopentyl-6phenyl-2H-1,3,4-oxadiazinan-2-one and (5S,6R)-4-Isopropyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 3 Analysis of the Quasiracemate of (5R,6S)-5-Methyl-4-cyclopentyl-6phenyl-2H-1,3,4-oxadiazinan-2-one and (5S,6R)-4-Cylohexyl-5-methyl-6-phenyl-2H-1,3,4-oxadiazinan-2-one, 4 Analysis of 5 77 Analysis of 6 79 General Conclusions and Future Work 81