ReI-Catalyzed highly regio- and stereoselective C–H addition to terminal and internal alkynes
Chang, Yu-Che; Prakash, Sekar; Cheng, Chien-Hong; Organic Chemistry Frontiers 6 (2019) 432–; doi:10.1039/C8QO01068D

data_1554494
_publ_section_title
;
 ReI-Catalyzed highly regio- and stereoselective C--H addition to terminal
 and internal alkynes
;
_journal_issue                   4
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              432
_journal_paper_doi               10.1039/C8QO01068D
_journal_volume                  6
_journal_year                    2019
_chemical_formula_sum            'C22 H19 N3'
_chemical_formula_weight         325.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2018-03-22 deposited with the CCDC.
2018-11-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.535(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.5762(7)
_cell_length_b                   7.8869(6)
_cell_length_c                   19.9879(16)
_cell_measurement_reflns_used    4321
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.2830
_cell_measurement_theta_min      2.7765
_cell_volume                     1666.7(2)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_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  0.0335
_diffrn_reflns_av_unetI/netI     0.0325
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13644
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.423
_diffrn_reflns_theta_min         2.038
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8664
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tabullar
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.190
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3412
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0480
_refine_ls_R_factor_gt           0.0377
_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^)+(0.0325P)^2^+0.6081P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0897
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2836
_reflns_number_total             3412
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo01068d2.cif
_cod_data_source_block           180303LT_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1554494
_shelxl_version_number           2014/6
_shelx_res_checksum              917
_shelx_hkl_checksum              58875