Asymmetric dearomative cyclopropanation of naphthalenes to construct polycyclic compounds.
Guan, Fujun; Zhou, Rong; Ren, Xiaoyu; Guo, Zhen; Wang, Chengming; Zhou, Cong-Ying; Chemical science 13 (2022) 13015–13019; doi:10.1039/d2sc04509e

data_1567776
_publ_section_title
;
 Asymmetric dearomative cyclopropanation of naphthalenes to construct
 polycyclic compounds.
;
_journal_issue                   44
_journal_name_full               'Chemical science'
_journal_page_first              13015
_journal_page_last               13019
_journal_paper_doi               10.1039/d2sc04509e
_journal_volume                  13
_journal_year                    2022
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C15 H13 Br O2'
_chemical_formula_sum            'C15 H13 Br O2'
_chemical_formula_weight         305.16
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2022-06-30
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-07-20 deposited with the CCDC.	2022-10-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.0572(6)
_cell_length_b                   10.6743(7)
_cell_length_c                   15.6753(12)
_cell_measurement_reflns_used    9911
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      72.03
_cell_measurement_theta_min      2.81
_cell_volume                     1180.83(16)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'Apex3 (Bruker 2018)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT 2014'
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'Bruker PHOTON II area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CMOS area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker CMOS area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0630
_diffrn_reflns_av_unetI/netI     0.0413
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10210
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.257
_diffrn_reflns_theta_min         5.013
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.11
_diffrn_source_power             0.05550000000000001
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.663
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.3974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1409 before and 0.0800 after correction.
The Ratio of minimum to maximum transmission is 0.5273.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.766
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.152
_refine_ls_abs_structure_details
;
 Flack x determined using 950 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.002(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2316
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0310
_refine_ls_R_factor_gt           0.0309
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0523P)^2^+0.1128P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0781
_refine_ls_wR_factor_ref         0.0781
_reflns_Friedel_coverage         0.700
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                2308
_reflns_number_total             2316
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc04509e2.cif
_cod_data_source_block           cxy3584_0m
_cod_depositor_comments
'Adding full bibliography for 1567775--1567776.cif.'
_cod_database_code               1567776
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10), C11(H11), C12(H12)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C8(H8A,H8B)
2.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7), C14(H14)
;
_shelx_res_checksum              45095
_shelx_hkl_checksum              60240
_olex2_submission_special_instructions 'No special instructions were received'