Synthesis of indene-fused spiro-dibenz(ox)azepines <i>via</i> Rh(III)-catalyzed cascade regioselective C-H activation/annulation.
Naskar, Koushik; Karmakar, Sudip; Mondal, Imtiaj; Sarkar, Writhabrata; Roy, Shantonu; Roy, Anupam; Deb, Indubhusan; Chemical communications (Cambridge, England) 59 (2023) 7751–7754; doi:10.1039/d3cc01416a

data_7131570
_publ_section_title
;
 Synthesis of indene-fused spiro-dibenz(ox)azepines <i>via</i>
 Rh(III)-catalyzed cascade regioselective C-H activation/annulation.
;
_journal_issue                   50
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              7751
_journal_page_last               7754
_journal_paper_doi               10.1039/d3cc01416a
_journal_volume                  59
_journal_year                    2023
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C35 H25 N O'
_chemical_formula_sum            'C35 H25 N O'
_chemical_formula_weight         475.56
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2022-12-13
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-12-14 deposited with the CCDC.	2023-04-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8267(12)
_cell_length_b                   9.9692(11)
_cell_length_c                   24.995(3)
_cell_measurement_reflns_used    9797
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      63.63
_cell_measurement_theta_min      4.50
_cell_volume                     2448.6(5)
_computing_cell_refinement       'Bruker SAINT V8.38A (Bruker AXS)'
_computing_data_collection       'Bruker APEX3 ver.2018.7-2(Bruker AXS)'
_computing_data_reduction        'Bruker SAINT V8.38A (Bruker AXS)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'CPAD area detector'
_diffrn_detector_area_resol_mean 7.407
_diffrn_detector_type            'Bruker Photon III'
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX3_IMuS Diamond_Photon III (1)'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    '0.5 mm double-pinhole'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0576
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.977
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            45710
_diffrn_reflns_point_group_measured_fraction_full 0.974
_diffrn_reflns_point_group_measured_fraction_max 0.974
_diffrn_reflns_theta_full        63.640
_diffrn_reflns_theta_max         63.640
_diffrn_reflns_theta_min         4.775
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.2
_diffrn_source_power             0.06
_diffrn_source_type              'Incoatec I\ms Diamond'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.595
_exptl_absorpt_correction_T_max  0.5829
_exptl_absorpt_correction_T_min  0.3814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1545 before and 0.0803 after correction.
The Ratio of minimum to maximum transmission is 0.6543.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'light yellow'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_description       block
_exptl_crystal_F_000             1000
_exptl_crystal_recrystallization_method 'SLOW EVAPORATION'
_exptl_crystal_size_max          0.404
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
 Flack x determined using 1649 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(8)
_refine_ls_extinction_coef       0.077(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.142
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         3942
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.142
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0377
_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^)+(0.0574P)^2^+0.3246P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0928
_refine_ls_wR_factor_ref         0.0929
_reflns_Friedel_coverage         0.734
_reflns_Friedel_fraction_full    0.970
_reflns_Friedel_fraction_max     0.970
_reflns_number_gt                3918
_reflns_number_total             3942
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3cc01416a2.cif
_cod_data_source_block           kn_02_09_0m_a
_cod_depositor_comments
'Adding full bibliography for 7131569--7131574.cif.'
_cod_database_code               7131570
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.901
_shelx_estimated_absorpt_t_min   0.795
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Riding coordinates:
 N1(H1)
2.b Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B)
2.c Aromatic/amide H refined with riding coordinates:
 C16(H16), C13(H13), C10(H10), C18(H18), C2(H2), C25(H25), C28(H28), C17(H17),
 C5(H5), C24(H24), C4(H4), C11(H11), C26(H26), C12(H12), C35(H35), C19(H19),
 C27(H27), C3(H3), C31(H31), C34(H34), C32(H32), C33(H33)
;
_shelx_res_checksum              68091
_shelx_hkl_checksum              56231
_olex2_submission_original_sample_id KN_02_09
_olex2_submission_special_instructions 'No special instructions were received'