Enantioselective cross-coupling of meso-epoxides with aryl halides.
Zhao, Yang; Weix, Daniel J.; Journal of the American Chemical Society 137 (2015) 3237–3240; doi:10.1021/jacs.5b01909

data_4129399
_publ_section_title
;
 Enantioselective cross-coupling of meso-epoxides with aryl halides.
;
_journal_issue                   9
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              3237
_journal_page_last               3240
_journal_paper_doi               10.1021/jacs.5b01909
_journal_volume                  137
_journal_year                    2015
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C24 H30 O4'
_chemical_formula_sum            'C24 H30 O4'
_chemical_formula_weight         382.48
_chemical_name_common            weixyz03
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_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4155(8)
_cell_length_b                   15.9951(19)
_cell_length_c                   19.986(2)
_cell_measurement_reflns_used    4031
_cell_measurement_temperature    100.0(5)
_cell_measurement_theta_max      31.83
_cell_measurement_theta_min      2.40
_cell_volume                     2050.9(4)
_computing_cell_refinement       'SAINT (Bruker, 2014)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014b)'
_computing_structure_solution    'SIR2011 (Burla et al., 2012)'
_diffrn_ambient_temperature      100.0(5)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD platform'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0672
_diffrn_reflns_av_unetI/netI     0.0505
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            46721
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        33.729
_diffrn_reflns_theta_max         33.788
_diffrn_reflns_theta_min         2.038
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.7467
_exptl_absorpt_correction_T_min  0.6378
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2014a)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_description       needle
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.241
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details
; 
 Flack x determined using 2261 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         8193
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+0.2052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1079
_reflns_Friedel_coverage         0.778
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                6426
_reflns_number_total             8193
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b01909_si_003.cif
_cod_data_source_block           weixyz03
_cod_database_code               4129399
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.960
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              14583
_shelx_hkl_checksum              56470