Iridium-catalyzed regioselective silylation of secondary alkyl C-h bonds for the synthesis of 1,3-diols.
Li, Bijie; Driess, Matthias; Hartwig, John F.; Journal of the American Chemical Society 136 (2014) 6586–6589; doi:10.1021/ja5026479

data_4121728
_publ_section_title
;
 Iridium-catalyzed regioselective silylation of secondary alkyl C-h bonds
 for the synthesis of 1,3-diols.
;
_journal_issue                   18
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6586
_journal_page_last               6589
_journal_paper_doi               10.1021/ja5026479
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_sum            'C18 H26 O2'
_chemical_formula_weight         274.39
_chemical_name_common            BJL-Cy
_chemical_name_systematic
; 
 compound-4m 
;
_space_group.centring_type       P
_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'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   8.3783(5)
_cell_length_b                   29.7661(16)
_cell_length_c                   18.5467(10)
_cell_measurement_reflns_used    9840
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.27
_cell_measurement_theta_min      2.81
_cell_volume                     4625.3(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  SHELXL-2013
_computing_structure_solution    SIR-2011
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_unetI/netI     0.0201
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_refln_scan_rate          20
_diffrn_refln_scan_width         1.0
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            37084
_diffrn_reflns_point_group_measured_fraction_full 0.977
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         68.261
_diffrn_reflns_theta_min         2.807
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    0.582
_exptl_absorpt_correction_T_max  0.929
_exptl_absorpt_correction_T_min  0.846
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_description       rod
_exptl_crystal_F_000             1800
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.020
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.028
_refine_ls_abs_structure_details
; 
 Flack x determined using 3608 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   0.03(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     547
_refine_ls_number_reflns         8261
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0319
_refine_ls_R_factor_gt           0.0299
_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^)+(0.0441P)^2^+0.7245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0774
_refine_ls_wR_factor_ref         0.0789
_reflns_Friedel_coverage         0.892
_reflns_Friedel_fraction_full    0.953
_reflns_Friedel_fraction_max     0.953
_reflns_number_gt                7877
_reflns_number_total             8261
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5026479_si_003.cif
_cod_data_source_block           compound-4m
_cod_depositor_comments
;Adding full bibliography for 4121728--4121730.cif.

The following automatic conversions were performed:

'_space_group.centring_type' value 'primitive' was replaced with the
value 'P' as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5642 2017-10-24 12:04:52Z antanas 
;
_cod_database_code               4121728
_shelx_estimated_absorpt_t_min   0.944
_shelx_estimated_absorpt_t_max   0.988
_shelxl_version_number           2013-3
_shelx_res_checksum              16401
_shelx_hkl_checksum              75695