Electrochemistry-Enabled Ir-Catalyzed Vinylic C-H Functionalization.
Yang, Qi-Liang; Xing, Yi-Kang; Wang, Xiang-Yang; Ma, Hong-Xing; Weng, Xin-Jun; Yang, Xiang; Guo, Hai-Ming; Mei, Tian-Sheng; Journal of the American Chemical Society  (2019) –; doi:10.1021/jacs.9b11915

data_4129197
_publ_section_title
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 Electrochemistry-Enabled Ir-Catalyzed Vinylic C-H Functionalization.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.9b11915
_journal_year                    2019
_chemical_formula_moiety         'C21 H18 O4'
_chemical_formula_sum            'C21 H18 O4'
_chemical_formula_weight         334.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-11-20
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 96.9560(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.3749(2)
_cell_length_b                   10.8449(2)
_cell_length_c                   19.0538(4)
_cell_measurement_reflns_used    6174
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      54.84
_cell_measurement_theta_min      4.068
_cell_volume                     1717.82(6)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      169.99
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0331
_diffrn_reflns_av_unetI/netI     0.0352
_diffrn_reflns_Laue_measured_fraction_full 0.974
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9142
_diffrn_reflns_point_group_measured_fraction_full 0.974
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         54.906
_diffrn_reflns_theta_min         4.067
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.466
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.5988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1147 before and 0.0475 after correction. The Ratio of minimum to maximum transmission is 0.7975. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.791
_refine_diff_density_min         -0.481
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3179
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0628
_refine_ls_R_factor_gt           0.0541
_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^)+(0.0572P)^2^+1.2889P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1329
_refine_ls_wR_factor_ref         0.1408
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2735
_reflns_number_total             3179
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b11915_si_003.cif
_cod_data_source_block           mjl18568_0m
_cod_database_code               4129197
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.991
_shelx_estimated_absorpt_t_min   0.933
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C18(H18A,H18B), C20(H20A,H20B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13), C14(H14),
 C15(H15), C16(H16), C17(H17)
2.c Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C)
;
_shelx_res_checksum              34404
_shelx_hkl_checksum              95283
_olex2_submission_special_instructions 'No special instructions were received'