Crystal structure of (6R ,7S)-N-benzhydryl-6-hydroxy-7-methyl- 2-tert-butyl-4,5,6,7-tetrahydro-4-aza-oxepin-5-one, C23H27NO3

B. Tinant, J.-P. Declercq, M. Ceresiat, J. Marchand-Brynaert
2001 Zeitschrift für Kristallographie - New Crystal Structures  
026 stereoisomer as the result of a stereocontrolled SNi reaction. Such acyclization process is allowed by the Baldwin's rules [5] , but the occurrence of seven-membered rings from intramolecular epoxide ring-opening appears rather low [3, 6, 7] .
doi:10.1524/ncrs.2001.216.14.53 fatcat:ftnsbztr25gkthe4xrwbl4sl4a