Acyclic nitronate olefin cycloaddition (ANOC): regio- and stereospecific synthesis of isoxazolines.
Ma, Liang; Kou, Luyao; Jin, Feng; Cheng, Xionglve; Tao, Suyan; Jiang, Gangzhong; Bao, Xiaoguang; Wan, Xiaobing; Chemical science 12 (2020) 774–779; doi:10.1039/d0sc05607c

data_1560189
_publ_section_title
;
 Acyclic nitronate olefin cycloaddition (ANOC): regio- and stereospecific
 synthesis of isoxazolines.
;
_journal_issue                   2
_journal_name_full               'Chemical science'
_journal_page_first              774
_journal_page_last               779
_journal_paper_doi               10.1039/d0sc05607c
_journal_volume                  12
_journal_year                    2020
_chemical_formula_moiety         'C9 H11 N O3'
_chemical_formula_sum            'C9 H11 N O3'
_chemical_formula_weight         181.19
_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             2020-06-20
_audit_creation_method
;
Olex2 1.3
(compiled 2020.02.04 svn.rd84adfe8 for OlexSys, GUI svn.r6032)
;
_audit_update_record
;
2020-06-22 deposited with the CCDC.	2020-11-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 114.294(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.0794(6)
_cell_length_b                   23.851(2)
_cell_length_c                   6.5545(6)
_cell_measurement_reflns_used    6389
_cell_measurement_temperature    119.98
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      3.68
_cell_volume                     866.24(14)
_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      119.98
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0642
_diffrn_reflns_av_unetI/netI     0.0388
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            9883
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        24.996
_diffrn_reflns_theta_max         24.996
_diffrn_reflns_theta_min         3.677
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5095
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1417 before and 0.0916 after correction.
The Ratio of minimum to maximum transmission is 0.6833.
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    1.389
_exptl_crystal_description       block
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.717
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     135
_refine_ls_number_reflns         1516
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0515
_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^)+(0.0426P)^2^+0.7842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1184
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1377
_reflns_number_total             1516
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc05607c2.cif
_cod_data_source_block           mo_b200620a_0m
_cod_depositor_comments
'Adding full bibliography for 1560189--1560192.cif.'
_cod_original_cell_volume        866.26(15)
_cod_database_code               1560189
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.979
_shelx_estimated_absorpt_t_min   0.949
_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:
 C3(H3), C4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B)
2.c Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C)
;
_shelx_res_checksum              60999
_olex2_submission_special_instructions 'No special instructions were received'