[2 + 2 + 1] Cycloaddition of N-tosylhydrazones, tert-butyl nitrite and alkenes: a general and practical access to isoxazolines
Ma, Liang; Jin, Feng; Cheng, Xionglve; Tao, Suyan; Jiang, Gangzhong; Li, Xingxing; Yang, Jinwei; Bao, Xiaoguang; Wan, Xiaobing; Chemical Science  (2021) –; doi:10.1039/D1SC02352G

data_1563748
_publ_section_title
;
 [2 + 2 + 1] Cycloaddition of N-tosylhydrazones, tert-butyl nitrite and
 alkenes: a general and practical access to isoxazolines
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC02352G
_journal_year                    2021
_chemical_formula_moiety         'C12 H13 N O3'
_chemical_formula_sum            'C12 H13 N O3'
_chemical_formula_weight         219.23
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2021-06-08
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2021-06-09 deposited with the CCDC.	2021-06-21 downloaded from the CCDC.
;
_cell_angle_alpha                68.5450(10)
_cell_angle_beta                 71.4920(10)
_cell_angle_gamma                84.1620(10)
_cell_formula_units_Z            2
_cell_length_a                   7.4807(3)
_cell_length_b                   8.6220(4)
_cell_length_c                   9.8229(4)
_cell_measurement_reflns_used    6865
_cell_measurement_temperature    120.03
_cell_measurement_theta_max      0.7456
_cell_measurement_theta_min      0.5666
_cell_volume                     559.09(4)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      120.03
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0621
_diffrn_reflns_av_unetI/netI     0.0494
_diffrn_reflns_Laue_measured_fraction_full 0.957
_diffrn_reflns_Laue_measured_fraction_max 0.958
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9291
_diffrn_reflns_point_group_measured_fraction_full 0.957
_diffrn_reflns_point_group_measured_fraction_max 0.958
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.548
_diffrn_reflns_theta_min         2.337
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5666
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1233 before and 0.0843 after correction.
The Ratio of minimum to maximum transmission is 0.7599.
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    1.302
_exptl_crystal_description       block
_exptl_crystal_F_000             232
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.490
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     150
_refine_ls_number_reflns         2472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0505
_refine_ls_R_factor_gt           0.0473
_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^)+(0.0696P)^2^+0.1660P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1272
_refine_ls_wR_factor_ref         0.1314
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2257
_reflns_number_total             2472
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc02352g2.cif
_cod_data_source_block           mo_b210512ml_0m
_cod_database_code               1563748
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.963
_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:
 C5(H5A,H5B), C2(H2A,H2B)
2.c Aromatic/amide H refined with riding coordinates:
 C12(H12), C10(H10), C9(H9), C11(H11)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              18694
_shelx_hkl_checksum              83648
_olex2_submission_special_instructions 'No special instructions were received'