Diastereoselective synthesis of benzazocines by Zn(OTf)<sub>2</sub>-catalyzed (4+4) cyclocondensation of multisubstituted donor-acceptor cyclopropanes with anthranils.
Huang, Xuelian; Yang, Gaosheng; Chai, Zhuo; Chemical communications (Cambridge, England) 61 (2025) 3704–3707; doi:10.1039/d4cc06690a

data_7134224
_publ_section_title
;
 Diastereoselective synthesis of benzazocines by
 Zn(OTf)<sub>2</sub>-catalyzed (4+4) cyclocondensation of multisubstituted
 donor-acceptor cyclopropanes with anthranils.
;
_journal_issue                   18
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              3704
_journal_page_last               3707
_journal_paper_doi               10.1039/d4cc06690a
_journal_volume                  61
_journal_year                    2025
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C34 H26 Br N O5'
_chemical_formula_sum            'C34 H26 Br N O5'
_chemical_formula_weight         608.47
_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   geom
_audit_creation_date             2024-04-14
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2024-04-18 deposited with the CCDC.	2025-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4122(6)
_cell_length_b                   13.8828(10)
_cell_length_c                   19.5704(13)
_cell_measurement_reflns_used    9903
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      22.512
_cell_measurement_theta_min      2.546
_cell_volume                     2828.9(3)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0907
_diffrn_reflns_av_unetI/netI     0.0401
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            79600
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         2.547
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.497
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5852
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0941 before and 0.0758 after correction. The Ratio of minimum to maximum transmission is 0.7849. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.149
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details
;
 Flack x determined using 1338 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.006(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         4978
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0641
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0321P)^2^+0.9708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0759
_refine_ls_wR_factor_ref         0.0872
_reflns_Friedel_coverage         0.766
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                3715
_reflns_number_total             4978
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc06690a2.cif
_cod_data_source_block           mo_20240413b_0m_a
_cod_depositor_comments
'Adding full bibliography for 7134221--7134226.cif.'
_cod_database_code               7134224
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.971
_shelx_estimated_absorpt_t_min   0.744
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C00H(H00H), C00I(H00I), C00X(H00X)
2.b Secondary CH2 refined with riding coordinates:
 C00G(H00A,H00B)
2.c Aromatic/amide H refined with riding coordinates:
 C00F(H00F), C00J(H00J), C00K(H00K), C00L(H00L), C00M(H00M), C00P(H00P),
 C00R(H00R), C00S(H00S), C00T(H00T), C00V(H00V), C00W(H00W), C00Y(H00Y),
 C00Z(H00Z), C011(H011), C012(H012), C013(H013), C014(H014), C015(H015)
2.d Idealised Me refined as rotating group:
 C010(H01A,H01B,H01C)
;
_shelx_res_checksum              70674
_shelx_hkl_checksum              67338
_olex2_submission_special_instructions 'No special instructions were received'