P-Stereogenic Phospholanes or Phosphorinanes from o-Biarylylphosphines: Two Bridges Not Too Far
Barbara Mohar; Alen Čusak; Barbara Modec; Michel Stephan; Journal of Organic Chemistry 78 (2013) 4665–4673; doi:10.1021/jo400565b

data_4028242
_publ_section_title
;
 P-Stereogenic Phospholanes or Phosphorinanes from o-Biarylylphosphines:
 Two Bridges Not Too Far
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4665
_journal_page_last               4673
_journal_paper_doi               10.1021/jo400565b
_journal_volume                  78
_journal_year                    2013
_chemical_formula_sum            'C21 H22 B O3 P'
_chemical_formula_weight         364.17
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.93335(14)
_cell_length_b                   14.7790(2)
_cell_length_c                   14.9251(2)
_cell_measurement_temperature    293(2)
_cell_volume                     1970.50(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.4933
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Agilent Supernova Dual/Cu at zero/Atlas'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) x-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0464
_diffrn_reflns_av_sigmaI/netI    0.0319
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            40296
_diffrn_reflns_theta_full        30.37
_diffrn_reflns_theta_max         30.37
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9876
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Agilent, 2011)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         5643
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0624
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0410P)^2^+0.2580P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0889
_refine_ls_wR_factor_ref         0.0987
_reflns_number_gt                4411
_reflns_number_total             5643
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo400565b_si_002_4.cif
_cod_data_source_block           8d
_cod_database_code               4028242