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_7120877
_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            'C24 H25 N'
_chemical_formula_weight         327.45
_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
_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                   19.792(5)
_cell_length_b                   12.548(3)
_cell_length_c                   7.5356(16)
_cell_measurement_reflns_used    2492
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      22.16
_cell_measurement_theta_min      2.62
_cell_volume                     1871.5(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0962
_diffrn_reflns_av_unetI/netI     0.0850
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            16099
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.497
_diffrn_reflns_theta_min         1.922
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.162
_exptl_crystal_description       shard
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.600
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.249
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.058
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.932
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3871
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.932
_refine_ls_R_factor_all          0.0906
_refine_ls_R_factor_gt           0.0601
_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^)+(0.1058P)^2^+0.1269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1451
_refine_ls_wR_factor_ref         0.1668
_reflns_Friedel_coverage         0.860
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                2824
_reflns_number_total             3871
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cc08037a2.cif
_cod_data_source_block           jl018_ortho_a
_cod_original_cell_volume        1871.4(7)
_cod_database_code               7120877
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.961
_shelx_estimated_absorpt_t_max   0.987
_shelx_res_checksum              61661