Construction of α-methoxyimidoyl ketonitrones via phosphite-mediated addition of α-keto N-tert-butanesulfinyl imidates to nitrosoarenes.
Feng, Jie; Ma, Peng-Ju; Zeng, Yong-Ming; Xu, Yan-Jun; Lu, Chong-Dao; Chemical communications (Cambridge, England) 54 (2018) 2882–2885; doi:10.1039/c8cc00345a

data_7121330
_publ_section_title
;
 Construction of \a-methoxyimidoyl ketonitrones via phosphite-mediated
 addition of \a-keto N-tert-butanesulfinyl imidates to nitrosoarenes.
;
_journal_issue                   23
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2882
_journal_page_last               2885
_journal_paper_doi               10.1039/c8cc00345a
_journal_volume                  54
_journal_year                    2018
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C16 H16 N2 O2 S'
_chemical_formula_sum            'C16 H16 N2 O2 S'
_chemical_formula_weight         300.37
_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'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2017-10-23
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-01-08 deposited with the CCDC.
2018-02-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.8609(12)
_cell_length_b                   10.9333(17)
_cell_length_c                   17.847(3)
_cell_measurement_reflns_used    1043
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      17.755
_cell_measurement_theta_min      2.283
_cell_volume                     1533.9(4)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  bruker-CCD
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0524
_diffrn_reflns_av_unetI/netI     0.0744
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9463
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.505
_diffrn_reflns_theta_min         2.184
_exptl_absorpt_coefficient_mu    0.216
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9347
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0601 before and 0.0546 after correction.
The Ratio of minimum to maximum transmission is 0.9347.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.176
_exptl_crystal_size_mid          0.164
_exptl_crystal_size_min          0.108
_refine_diff_density_max         0.144
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 558 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.06(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.985
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         3516
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.985
_refine_ls_R_factor_all          0.1114
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0431P)^2^]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1198
_reflns_Friedel_coverage         0.733
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                1856
_reflns_number_total             3516
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8cc00345a2.cif
_cod_data_source_block           7
_cod_depositor_comments
'Adding full bibliography for 7121328--7121333.cif.'
_cod_database_code               7121330
_shelxl_version_number           2013-2
_shelx_estimated_absorpt_t_max   0.977
_shelx_estimated_absorpt_t_min   0.963
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C5(H5), C9(H9), C8(H8), C7(H7), C12(H12), C13(H13), C6(H6), C16(H16),
 C15(H15), C14(H14)
2.b Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C3(H3A,H3B,H3C)
;
_shelx_res_checksum              71226
_olex2_submission_special_instructions 'No special instructions were received'