data_4024741
loop_
_publ_author_name
'O. Andrea Wong'
'Bin Wang'
'Mei-Xin Zhao'
'Yian Shi'
_publ_section_title
;
Asymmetric Epoxidation Catalyzed by \a,\a-Dimethylmorpholinone Ketone.
Methyl Group Effect on Spiro and Planar Transition States
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_volume                  74
_journal_page_first              6335
_journal_page_last               6338
_cell_measurement_temperature    293.0(1.5)
_chemical_name_systematic
;
 ?
;
_chemical_formula_sum            'C20 H25 N O6'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_length_a                   10.4164(3)
_cell_length_b                   17.5391(5)
_cell_length_c                   21.0938(6)
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_volume                     3853.72(19)
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_type           MoK\a
_refine_ls_R_factor_all          0.0936
_refine_ls_R_factor_gt           0.0529
_refine_ls_wR_factor_gt          0.1397
_refine_ls_wR_factor_ref         0.1812
_refine_ls_goodness_of_fit_ref   0.752
