Synthesis and auration of primary and di-primary heteroaryl-phosphines.
Reiter, Stephan A.; Nogai, Stefan D.; Schmidbaur, Hubert; Dalton transactions (Cambridge, England : 2003)  (2005) 247–255; doi:10.1039/b415326j

data_7008002
_publ_section_title
;
 Synthesis and auration of primary and di-primary
 heteroaryl-phosphines.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              247
_journal_page_last               255
_journal_paper_doi               10.1039/b415326j
_journal_year                    2005
_chemical_formula_moiety         'C20 H42 N4 O P2'
_chemical_formula_sum            'C20 H42 N4 O P2'
_chemical_formula_weight         416.52
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.2038(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.83760(10)
_cell_length_b                   15.8571(2)
_cell_length_c                   14.3424(2)
_cell_measurement_reflns_used    55572
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      25.43
_cell_measurement_theta_min      1.42
_cell_volume                     2464.77(5)
_computing_cell_refinement       DENZO
_computing_data_collection       XPRESS
_computing_data_reduction        SCALEPACK
_computing_molecular_graphics    SHELXTL-PLUS
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      143(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'NONIUS DIP 2020'
_diffrn_measurement_method       phi-rotation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.034
_diffrn_reflns_av_sigmaI/netI    0.028
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            55572
_diffrn_reflns_theta_full        25.43
_diffrn_reflns_theta_max         25.43
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    0.193
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.122
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.139
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     823
_refine_ls_number_reflns         9043
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0245
_refine_ls_R_factor_gt           0.0237
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0349P)^2^+0.2103P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0619
_refine_ls_wR_factor_ref         0.0626
_reflns_number_gt                8828
_reflns_number_total             9043
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b415326j.txt
_cod_data_source_block           reit22
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7008002