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_7159310
_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         'C19 H25 N O6'
_chemical_formula_sum            'C19 H25 N O6'
_chemical_formula_weight         363.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2023-03-16
_audit_creation_method
;
Olex2 1.5
(compiled 2023.02.24 svn.rf166f9f3 for OlexSys, GUI svn.r6725)
;
_audit_update_record
;
2023-03-20 deposited with the CCDC.	2023-04-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.315(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.6481(4)
_cell_length_b                   14.5397(9)
_cell_length_c                   16.0367(8)
_cell_measurement_reflns_used    2511
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.63
_cell_measurement_theta_min      2.56
_cell_volume                     1768.78(17)
_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 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.00
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.956
_diffrn_measurement_device_type  'Bruker Quest D8'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0413
_diffrn_reflns_av_unetI/netI     0.0604
_diffrn_reflns_Laue_measured_fraction_full 0.975
_diffrn_reflns_Laue_measured_fraction_max 0.956
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11391
_diffrn_reflns_point_group_measured_fraction_full 0.975
_diffrn_reflns_point_group_measured_fraction_max 0.956
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.998
_diffrn_reflns_theta_min         1.898
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6319
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0950 before and 0.0474 after correction.
The Ratio of minimum to maximum transmission is 0.8469.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_description       prism
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         4500
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0826
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0346P)^2^+0.7016P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0985
_refine_ls_wR_factor_ref         0.1129
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3145
_reflns_number_total             4500
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3ob00235g2.cif
_cod_data_source_block           al302_305
_cod_depositor_comments
'Adding full bibliography for 7159308--7159315.cif.'
_cod_database_code               7159310
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.970
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All O(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Riding coordinates:
 O2(H2)
2.b Ternary CH refined with riding coordinates:
 C12(H12), C1(H1)
2.c Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C8(H8A,H8B), C10(H10A,H10B), C9(H9A,H9B), C18(H18A,H18B),
 C15(H15A,H15B)
2.d Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6), C5(H5)
2.e Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C16(H16A,H16B,H16C)
;
_shelx_res_checksum              20418
_olex2_submission_special_instructions 'No special instructions were received'