Nitronate-aryne cycloaddition as a concise route to stereochemically complex fused benzisoxazolines and amino alcohols.
Lukoyanov, Alexander A.; Tabolin, Andrey A.; Nelyubina, Yulia V.; Aksenova, Svetlana A.; Sukhorukov, Alexey Yu; Organic & biomolecular chemistry 21 (2023) 3871–3880; doi:10.1039/d3ob00235g

data_7159309
_publ_section_title
;
 Nitronate-aryne cycloaddition as a concise route to stereochemically
 complex fused benzisoxazolines and amino alcohols.
;
_journal_issue                   18
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3871
_journal_page_last               3880
_journal_paper_doi               10.1039/d3ob00235g
_journal_volume                  21
_journal_year                    2023
_chemical_formula_moiety         'C23 H25 N O7'
_chemical_formula_sum            'C23 H25 N O7'
_chemical_formula_weight         427.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-01-25
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2023-01-25 deposited with the CCDC.	2023-04-12 downloaded from the CCDC.
;
_cell_angle_alpha                65.3470(10)
_cell_angle_beta                 81.305(2)
_cell_angle_gamma                82.114(2)
_cell_formula_units_Z            2
_cell_length_a                   8.2690(2)
_cell_length_b                   11.3776(3)
_cell_length_c                   12.6210(3)
_cell_measurement_reflns_used    6357
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.54
_cell_measurement_theta_min      2.50
_cell_volume                     1063.13(5)
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.955
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker Quest D8'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0235
_diffrn_reflns_av_unetI/netI     0.0307
_diffrn_reflns_Laue_measured_fraction_full 0.955
_diffrn_reflns_Laue_measured_fraction_max 0.955
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10765
_diffrn_reflns_point_group_measured_fraction_full 0.955
_diffrn_reflns_point_group_measured_fraction_max 0.955
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         1.785
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6625
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0801 before and 0.0396 after correction.
The Ratio of minimum to maximum transmission is 0.8880.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.335
_exptl_crystal_description       needle
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.403
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         4440
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0295P)^2^+0.6189P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0981
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3809
_reflns_number_total             4440
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob00235g2.cif
_cod_data_source_block           AL261
_cod_depositor_comments
'Adding full bibliography for 7159308--7159315.cif.'
_cod_database_code               7159309
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.999
_shelx_estimated_absorpt_t_min   0.980
_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:
 C4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C14(H14A,H14B)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C9(H9), C17(H17), C18(H18), C20(H20), C21(H21)
2.d Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C15(H15A,H15B,H15C), C22(H22A,H22B,H22C), C23(H23A,H23B,
 H23C)
;
_shelx_res_checksum              63654
_olex2_submission_special_instructions 'No special instructions were received'