Visible-Light-Driven Copper-Catalyzed Aerobic Oxidative Cascade Cyclization of N-Tosylhydrazones and Terminal Alkynes: Regioselective Synthesis of 3-Arylcoumarins
Ragupathi, Ayyakkannu; Sagadevan, Arunachalam; Charpe, Vaibhav Pramod; Lin, Chun-Cheng; Hwu, Jih Ru; Hwang, Kuo Chu; Chemical Communications  (2019) –; doi:10.1039/C9CC01801H

data_7123254
_publ_section_title
;
 Visible-Light-Driven Copper-Catalyzed Aerobic Oxidative Cascade
 Cyclization of N-Tosylhydrazones and Terminal Alkynes: Regioselective
 Synthesis of 3-Arylcoumarins
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC01801H
_journal_year                    2019
_chemical_formula_sum            'C15 H10 O2'
_chemical_formula_weight         222.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2018-05-03 deposited with the CCDC.    2019-04-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.981(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.4742(8)
_cell_length_b                   5.9923(2)
_cell_length_c                   19.2732(9)
_cell_measurement_reflns_used    2788
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.2097
_cell_measurement_theta_min      2.8411
_cell_volume                     2107.44(15)
_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 0.999
_diffrn_measured_fraction_theta_max 0.998
_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  0.0298
_diffrn_reflns_av_unetI/netI     0.0283
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            8563
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.395
_diffrn_reflns_theta_min         2.140
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9485
_exptl_absorpt_correction_T_min  0.8877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Columnar
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.211
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2159
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.076
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0383
_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^)+(0.0431P)^2^+1.5385P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.1025
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1765
_reflns_number_total             2159
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc01801h2.cif
_cod_data_source_block           170725lt_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

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

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               7123254
_shelxl_version_number           2014/6
_shelx_res_checksum              88823