Ammonium Salt-Catalyzed Highly Practical Ortho-Selective Monohalogenation and Phenylselenation of Phenols: Scope and Applications
Xiong, Xiaodong; Yeung, Ying-Yeung; ACS Catalysis 8 (2018) 4033–; doi:10.1021/acscatal.8b00327

data_4515618
_publ_section_title
;
 Ammonium Salt-Catalyzed Highly Practical Ortho-Selective Monohalogenation
 and Phenylselenation of Phenols: Scope and Applications
;
_journal_issue                   5
_journal_name_full               'ACS Catalysis'
_journal_page_first              4033
_journal_paper_doi               10.1021/acscatal.8b00327
_journal_volume                  8
_journal_year                    2018
_chemical_formula_sum            'C7 H4 Br Cl O2'
_chemical_formula_weight         235.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 101.499(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   7.7896(3)
_cell_length_b                   13.5178(6)
_cell_length_c                   15.0171(6)
_cell_measurement_reflns_used    124
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      15
_cell_volume                     1549.54(11)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_molecular_graphics    'BRUKER SHELXTL'
_computing_publication_material  'BRUKER SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_diffrn_measurement_method       'PHI & OMEGA SCAN'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0439
_diffrn_reflns_av_unetI/netI     0.0361
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            12270
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.249
_diffrn_reflns_theta_min         2.046
_exptl_absorpt_coefficient_mu    5.589
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4653
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.019
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.623
_refine_diff_density_min         -0.681
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     207
_refine_ls_number_reflns         2805
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0496
_refine_ls_R_factor_gt           0.0330
_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^)+(0.0524P)^2^+1.1609P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0887
_refine_ls_wR_factor_ref         0.0983
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2214
_reflns_number_total             2805
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs8b00327_si_013.cif
_cod_data_source_block           xxd271
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4515618
_shelx_estimated_absorpt_t_min   0.167
_shelx_estimated_absorpt_t_max   0.285
_shelxl_version_number           2014/6
_shelx_res_checksum              70979
_shelx_hkl_checksum              74478