Borata-Wittig Olefination Reactions of Ketones, Carboxylic Esters and Amides with Bis(pentafluorophenyl)borata-alkene Reagents
Erker, Gerhard; Wang, Tongdao; Kohrt, Sonja; Daniliuc, Constantin Gabriel; Kehr, Gerald; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB01591G

data_7155731
_publ_section_title
;
 Borata-Wittig Olefination Reactions of Ketones, Carboxylic Esters and
 Amides with Bis(pentafluorophenyl)borata-alkene Reagents
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB01591G
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C42 H30 B2 F20 Li N'
_chemical_formula_weight         957.23
_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'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_audit_update_record
;
2017-05-10 deposited with the CCDC.
2017-06-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.835(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.1438(8)
_cell_length_b                   19.1936(16)
_cell_length_c                   10.2323(8)
_cell_measurement_reflns_used    8489
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      66.3457
_cell_measurement_theta_min      4.3231
_cell_volume                     1991.2(3)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX2 v.2014.1--1 (Bruker AXS Inc., 2014)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'APEX2 v.2014.1--1 (Bruker AXS Inc., 2014)'
_computing_publication_material  'APEX2 v.2014.1--1 (Bruker AXS Inc., 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL--2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'KappaCCD APEXII'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0653
_diffrn_reflns_av_unetI/netI     0.0543
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            30146
_diffrn_reflns_theta_full        66.56
_diffrn_reflns_theta_max         66.56
_diffrn_reflns_theta_min         4.32
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.408
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.76
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/2, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.597
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             964
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.191
_refine_ls_abs_structure_details
;
Flack x determined using 2404 quotients [(I+)-(I-)]/[(I+)+(I-)]
(Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.03(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     611
_refine_ls_number_reflns         6972
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0494
_refine_ls_R_factor_gt           0.0380
_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^)+(0.0403P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0869
_reflns_number_gt                5897
_reflns_number_total             6972
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob01591g2.cif
_cod_data_source_block           erk8014
_cod_database_code               7155731
_shelx_res_checksum              67742