Rhodium-Catalyzed Asymmetric Arylation/Defluorination of 1-(Trifluoromethyl)alkenes Forming Enantioenriched 1,1-Difluoroalkenes.
Huang, Yinhua; Hayashi, Tamio; Journal of the American Chemical Society 138 (2016) 12340–12343; doi:10.1021/jacs.6b07844

data_4130901
_publ_section_title
;
 Rhodium-Catalyzed Asymmetric Arylation/Defluorination of
 1-(Trifluoromethyl)alkenes Forming Enantioenriched 1,1-Difluoroalkenes.
;
_journal_issue                   38
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12340
_journal_page_last               12343
_journal_paper_doi               10.1021/jacs.6b07844
_journal_volume                  138
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C18 H12 Br F2 N O2'
_chemical_formula_weight         392.20
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 109.1021(19)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.2467(3)
_cell_length_b                   12.0275(4)
_cell_length_c                   9.5303(4)
_cell_measurement_reflns_used    4956
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      23.9666
_cell_measurement_theta_min      2.8256
_cell_volume                     784.92(5)
_computing_cell_refinement       'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0531
_diffrn_reflns_av_unetI/netI     0.0787
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            17205
_diffrn_reflns_theta_full        31.20
_diffrn_reflns_theta_max         31.20
_diffrn_reflns_theta_min         2.83
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker KappaCCD'
_exptl_absorpt_coefficient_mu    2.650
_exptl_absorpt_correction_T_max  0.74
_exptl_absorpt_correction_T_min  0.53
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.659
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.414
_refine_diff_density_min         -0.345
_refine_ls_abs_structure_details
;

Flack x determined using 1489 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.007(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.905
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         5034
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.905
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0353
_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^)] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0633
_refine_ls_wR_factor_ref         0.0701
_reflns_number_gt                3917
_reflns_number_total             5034
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b07844_si_001.cif
_cod_data_source_block           chiba400
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4130901
_shelx_res_checksum              60184
_shelx_hkl_checksum              19675