Transition-Metal-Free Stereospecific Oxidative Annulative Coupling of Indolines with Aziridines.
Karjee, Pallab; Sarkar, Tanumay; Kar, Subhradeep; Punniyamurthy, Tharmalingam; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00899

data_4038471
_publ_section_title
;
 Transition-Metal-Free Stereospecific Oxidative Annulative Coupling of
 Indolines with Aziridines.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00899
_journal_year                    2020
_chemical_absolute_configuration S
_chemical_formula_sum            'C23 H20 N2 O2 S'
_chemical_formula_weight         388.47
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 102.804(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3599(9)
_cell_length_b                   8.5436(7)
_cell_length_c                   21.1845(16)
_cell_measurement_reflns_used    9911
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.64
_cell_measurement_theta_min      2.38
_cell_volume                     2004.9(3)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.1094
_diffrn_reflns_av_unetI/netI     0.0495
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            82933
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.045
_diffrn_reflns_theta_max         25.045
_diffrn_reflns_theta_min         1.838
_exptl_absorpt_coefficient_mu    0.182
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.287
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details
;
 Flack x determined using 1931 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     507
_refine_ls_number_reflns         7104
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0840
_refine_ls_R_factor_gt           0.0586
_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^)+(0.1000P)^2^+0.5154P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1440
_refine_ls_wR_factor_ref         0.1701
_reflns_Friedel_coverage         0.863
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                5387
_reflns_number_total             7104
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00899_si_003.cif
_cod_data_source_block           PK-Chiral-Re_0m_a
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4038471
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              38514
_shelx_hkl_checksum              99071