Catalytic Enantioselective Addition of an Allyl Group to Ketones Containing a Tri-, a Di-, or a Monohalomethyl Moiety. Stereochemical Control Based on Distinctive Electronic and Steric Attributes of C-Cl, C-Br, and C-F Bonds.
Fager, Diana C.; Lee, KyungA; Hoveyda, Amir H.; Journal of the American Chemical Society 141 (2019) 16125–16138; doi:10.1021/jacs.9b08443

data_4128340
_publ_section_title
;
 Catalytic Enantioselective Addition of an Allyl Group to Ketones
 Containing a Tri-, a Di-, or a Monohalomethyl Moiety. Stereochemical
 Control Based on Distinctive Electronic and Steric Attributes of C-Cl,
 C-Br, and C-F Bonds.
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16125
_journal_page_last               16138
_journal_paper_doi               10.1021/jacs.9b08443
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C17 H16 Br F O3'
_chemical_formula_sum            'C17 H16 Br F O3'
_chemical_formula_weight         367.21
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.7046(3)
_cell_length_b                   7.4441(4)
_cell_length_c                   35.724(2)
_cell_measurement_reflns_used    9914
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.84
_cell_measurement_theta_min      2.47
_cell_volume                     1517.04(14)
_computing_cell_refinement       'SAINT (Bruker, 2014)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker Kappa DUO CCD diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0471
_diffrn_reflns_av_unetI/netI     0.0280
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            16996
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         69.834
_diffrn_reflns_theta_min         2.474
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_type              'Incoatec I\uS'
_exptl_absorpt_coefficient_mu    3.889
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.5277
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G.M. (2016). SADABS. Bruker AXS Inc. Madison, WI USA.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       plate
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.440
_exptl_crystal_size_mid          0.340
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.907
_refine_diff_density_min         -0.774
_refine_diff_density_rms         0.105
_refine_ls_abs_structure_details
;
 Flack x determined using 1101 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.008(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.300
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         2841
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.300
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0237P)^2^+4.5260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1143
_refine_ls_wR_factor_ref         0.1144
_reflns_Friedel_coverage         0.670
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.991
_reflns_number_gt                2833
_reflns_number_total             2841
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b08443_si_005.cif
_cod_data_source_block           C17H16BrFO3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        1517.06(14)
_cod_database_code               4128340
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.279
_shelx_estimated_absorpt_t_max   0.746
_shelx_res_checksum              20497
_shelx_hkl_checksum              71231