Bulky, Optically Active P-Stereogenic Phosphine-Boranes from Pure H-Menthylphosphinates
David Gatineau; Laurent Giordano; Gérard Buono; Journal of the American Chemical Society 133 (2011) 10728–10731; doi:10.1021/ja2034816

data_4106421
_publ_section_title
;
 Bulky, Optically Active P-Stereogenic Phosphine-Boranes from Pure
 H-Menthylphosphinates
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10728
_journal_page_last               10731
_journal_paper_doi               10.1021/ja2034816
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C36 H52 B2 P2'
_chemical_formula_sum            'C18 H26 B P'
_chemical_formula_weight         284.17
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2009-04-30T15:14:09-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 96.8740(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.2234(3)
_cell_length_b                   14.0422(4)
_cell_length_c                   13.6223(5)
_cell_measurement_reflns_used    16242
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.73
_cell_measurement_theta_min      1.51
_cell_measurement_wavelength     0.71073
_cell_volume                     1751.63(10)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.956
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'Omega + Phi scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.098
_diffrn_reflns_av_unetI/netI     0.088
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16242
_diffrn_reflns_theta_full        28.73
_diffrn_reflns_theta_max         28.73
_diffrn_reflns_theta_min         1.51
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.078
_exptl_crystal_description       prism
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.402
_refine_diff_density_min         -0.575
_refine_diff_density_rms         0.142
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         8280
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.143
_refine_ls_R_factor_gt           0.0783
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1252P)^2^+0.7006P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2022
_refine_ls_wR_factor_ref         0.2556
_reflns_number_gt                5092
_reflns_number_total             8280
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja2034816_si_003_4.cif
_cod_data_source_block           9i
_cod_database_code               4106421