Construction of Polycyclic Spiro-indolines via an Intramolecular Oxidative Coupling/Cyclization Cascade Reaction Process.
Fan, Feng; Xie, Weiqing; Ma, Dawei; Organic letters 14 (2012) 1405–1407; doi:10.1021/ol3003496

data_1507191
_publ_section_title
;
 Construction of Polycyclic Spiro-indolines via an Intramolecular
 Oxidative Coupling/Cyclization Cascade Reaction Process.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1405
_journal_page_last               1407
_journal_paper_doi               10.1021/ol3003496
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C21 H20 N2 O2'
_chemical_formula_weight         332.39
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.895(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.3943(18)
_cell_length_b                   13.1063(14)
_cell_length_c                   16.7797(18)
_cell_measurement_reflns_used    2498
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      50.754
_cell_measurement_theta_min      4.350
_cell_volume                     3449.8(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            8955
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4911
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.402
_exptl_crystal_size_mid          0.397
_exptl_crystal_size_min          0.260
_refine_diff_density_max         0.178
_refine_diff_density_min         -0.141
_refine_diff_density_rms         0.033
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     231
_refine_ls_number_reflns         3214
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0486
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0727P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1268
_refine_ls_wR_factor_ref         0.1365
_reflns_number_gt                2296
_reflns_number_total             3214
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3003496_si_002.cif
_cod_data_source_block           cd29605
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1507191