Catalytic double hydroarylation of alkynes to 9,9-disubstituted 9,10-dihydroacridine derivatives by an electrophilic phenoxyphosphonium dication
LaFortune, James H. W.; Bayne, Julia M.; Johnstone, Timothy C.; Fan, Louie; Stephan, Douglas W.; Chemical Communications  (2017) –; doi:10.1039/C7CC08037A

data_7120874
_publ_section_title
;
 Catalytic double hydroarylation of alkynes to 9,9-disubstituted
 9,10-dihydroacridine derivatives by an electrophilic phenoxyphosphonium
 dication
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C7CC08037A
_journal_year                    2017
_chemical_formula_sum            'C22 H21 N'
_chemical_formula_weight         299.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-10-17 deposited with the CCDC.
2017-11-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.0404(8)
_cell_length_b                   13.3233(17)
_cell_length_c                   15.2895(17)
_cell_measurement_temperature    150(2)
_cell_volume                     1637.9(3)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0777
_diffrn_reflns_av_unetI/netI     0.0408
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15803
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.608
_diffrn_reflns_theta_min         2.027
_exptl_absorpt_coefficient_mu    0.070
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.177
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         1980
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_all          0.0987
_refine_ls_R_factor_gt           0.0861
_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^)+(0.0593P)^2^+3.1765P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1908
_refine_ls_wR_factor_ref         0.1977
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1641
_reflns_number_total             1980
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc08037a2.cif
_cod_data_source_block           JL024_a
_cod_database_code               7120874
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.985
_shelx_estimated_absorpt_t_max   0.993
_shelx_res_checksum              32107