Catalytic Asymmetric Intermolecular Bromoesterification of Unfunctionalized Olefins.
Li, Lijun; Su, Cunxiang; Liu, Xiaoqin; Tian, Hua; Shi, Yian; Organic letters 16 (2014) 3728–; doi:10.1021/ol501542r

data_1516971
_publ_section_title
;
 Catalytic Asymmetric Intermolecular Bromoesterification of
 Unfunctionalized Olefins.
;
_journal_issue                   14
_journal_name_full               'Organic letters'
_journal_page_first              3728
_journal_paper_doi               10.1021/ol501542r
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C21 H17 Br O2'
_chemical_formula_sum            'C21 H17 Br O2'
_chemical_formula_weight         381.26
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2014-02-25
_audit_creation_method
;
Olex2 1.2
(compiled 2013.12.10 svn.r2850 for OlexSys, GUI svn.r4736)
;
_cell_angle_alpha                90
_cell_angle_beta                 129.736(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.888(12)
_cell_length_b                   7.515(4)
_cell_length_c                   14.089(8)
_cell_measurement_reflns_used    2833
_cell_measurement_temperature    173.1500
_cell_measurement_theta_max      27.4843
_cell_measurement_theta_min      2.5361
_cell_volume                     1700.7(17)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution
;
'XS (Sheldrick, 2008)'
;
_diffrn_ambient_temperature      173.1500
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device
;
Saturn724+ (2x2 bin mode)
;
_diffrn_measurement_device_details
;
AFC10: Fixed Chi 2 circle
;
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_orient_matrix_type       d*Trek
_diffrn_orient_matrix_UB_11      -0.0108
_diffrn_orient_matrix_UB_12      -0.0411
_diffrn_orient_matrix_UB_13      -0.0455
_diffrn_orient_matrix_UB_21      -0.0169
_diffrn_orient_matrix_UB_22      0.1000
_diffrn_orient_matrix_UB_23      -0.0862
_diffrn_orient_matrix_UB_31      0.0590
_diffrn_orient_matrix_UB_32      -0.0403
_diffrn_orient_matrix_UB_33      -0.0584
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0525
_diffrn_reflns_av_unetI/netI     0.0498
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9624
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.525
_diffrn_reflns_theta_min         2.895
_diffrn_source                   'Sealed Tube'
_diffrn_source_current           30.0000
_diffrn_source_power             1.5000
_diffrn_source_voltage           50.0000
_exptl_absorpt_coefficient_mu    2.427
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.489
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.773
_refine_diff_density_min         -0.847
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details
;
 Flack x determined using 1390 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.007(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3864
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0514
_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^)+(0.0387P)^2^+3.0628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1128
_refine_ls_wR_factor_ref         0.1162
_reflns_Friedel_coverage         0.844
_reflns_Friedel_fraction_full    0.986
_reflns_Friedel_fraction_max     0.978
_reflns_number_gt                3607
_reflns_number_total             3864
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol501542r_si_001.cif
_cod_data_source_block           sa3230
_cod_depositor_comments
'Adding full bibliography for 1516968--1516972.cif.'
_cod_original_cell_volume        1700.7(16)
_cod_database_code               1516971
_shelxl_version_number           2013-4
_diffrn_number_total             2098
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1), C2(H2)
2.b Secondary CH2 refined with riding coordinates:
 C5(H5A,H5B), C6(H6A,H6B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10), C13(H13), C14(H14), C15(H15), C17(H17),
 C18(H18), C19(H19), C20(H20)
;
_shelx_res_checksum              56910
_shelx_hkl_checksum              44733