Catalyst-Controlled Selective Borocarbonylation of Benzylidenecyclopropanes: Regiodivergent Synthesis of γ-Vinylboryl Ketones and β-Cyclopropylboryl Ketones
wu, Fu-Peng; Wu, Xiao-Feng; Chemical Science  (2022) –; doi:10.1039/D2SC00840H

data_1566678
_publ_section_title
;
 Catalyst-Controlled Selective Borocarbonylation of
 Benzylidenecyclopropanes: Regiodivergent Synthesis of \g-Vinylboryl
 Ketones and \b-Cyclopropylboryl Ketones
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC00840H
_journal_year                    2022
_chemical_formula_sum            'C23 H27 B O3'
_chemical_formula_weight         362.25
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-11-18 deposited with the CCDC.	2022-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.9120(13)
_cell_length_b                   10.1397(10)
_cell_length_c                   15.5970(16)
_cell_measurement_reflns_used    7965
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.01
_cell_measurement_theta_min      2.40
_cell_volume                     2042.0(4)
_computing_cell_refinement       'SAINT (Bruker, 2013)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0320
_diffrn_reflns_av_unetI/netI     0.0274
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            26007
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.178
_diffrn_reflns_theta_min         2.396
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.178
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.187
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details
;
 Flack x determined using 2025 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.2(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         5505
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0446
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0526P)^2^+0.1078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.0945
_reflns_Friedel_coverage         0.929
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                4869
_reflns_number_total             5505
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc00840h2.cif
_cod_data_source_block           AX2232
_cod_database_code               1566678
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              82525
_shelx_hkl_checksum              1482