CuBr-Mediated Synthesis of 1,4-Naphthoquinones via Ring Expansion of 2-Aryl-1,3-indandiones
Zhang, Xu; Wang, Di; Chang, Mengfan; Wang, Yawan; Shen, Zhi; Xu, Xuefeng; Chemical Communications  (2023) –; doi:10.1039/D3CC03753C

data_7132143
_publ_section_title
;
 CuBr-Mediated Synthesis of 1,4-Naphthoquinones via Ring Expansion of
 2-Aryl-1,3-indandiones
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D3CC03753C
_journal_year                    2023
_chemical_formula_sum            'C27 H22 O3'
_chemical_formula_weight         394.45
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2023-08-01 deposited with the CCDC.	2023-09-19 downloaded from the CCDC.
;
_cell_angle_alpha                69.766(4)
_cell_angle_beta                 70.291(3)
_cell_angle_gamma                65.925(3)
_cell_formula_units_Z            2
_cell_length_a                   9.6983(19)
_cell_length_b                   10.099(2)
_cell_length_c                   12.581(3)
_cell_measurement_reflns_used    1146
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.64
_cell_measurement_theta_min      2.52
_cell_volume                     1027.6(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0545
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5077
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9830
_exptl_absorpt_correction_T_min  0.9790
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             416
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.227
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3570
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0917
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1408
_refine_ls_wR_factor_ref         0.1812
_reflns_number_gt                2153
_reflns_number_total             3570
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d3cc03753c2.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 8170 2020-07-09 18:12:32Z antanas 
;
_cod_original_cell_volume        1027.5(4)
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7132143