Gold-catalysed facile access to indene scaffolds via sequential C-H functionalization and 5-endo-dig carbocyclization.
Ma, Ben; Wu, Ziang; Huang, Ben; Liu, Lu; Zhang, Junliang; Chemical communications (Cambridge, England) 52 (2016) 9351–9354; doi:10.1039/c6cc04034a

data_7124708
_publ_section_title
;
 Gold-catalysed facile access to indene scaffolds via sequential C-H
 functionalization and 5-endo-dig carbocyclization.
;
_journal_issue                   60
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              9351
_journal_page_last               9354
_journal_paper_doi               10.1039/c6cc04034a
_journal_volume                  52
_journal_year                    2016
_chemical_formula_sum            'C24 H20 O3'
_chemical_formula_weight         356.40
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-05-12 deposited with the CCDC.
2016-06-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.3600(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8870(4)
_cell_length_b                   10.4572(4)
_cell_length_c                   14.8193(5)
_cell_measurement_temperature    173(2)
_cell_volume                     1812.08(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0446
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            20389
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9683
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.833
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3189
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0698
_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^)+(0.0665P)^2^+3.1826P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1698
_refine_ls_wR_factor_ref         0.1809
_reflns_number_gt                2553
_reflns_number_total             3189
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc04034a2.cif
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/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 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7124708