Organocatalytic enantioselective direct vinylogous Michael addition of γ-substituted deconjugate butenolides to azadienes
Lin, Wei; Lin, Xiao; Cheng, Yuyu; Chang, Xiaoyong; Zhou, San; Li, Pengfei; Li, Wenjun; Organic Chemistry Frontiers 6 (2019) 2452–; doi:10.1039/C9QO00597H

data_1554958
_publ_section_title
;
 Organocatalytic enantioselective direct vinylogous Michael addition of
 \g-substituted deconjugate butenolides to azadienes
;
_journal_issue                   14
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              2452
_journal_paper_doi               10.1039/C9QO00597H
_journal_volume                  6
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H23 N O5 S'
_chemical_formula_sum            'C27 H23 N O5 S'
_chemical_formula_weight         473.52
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-04-16
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-04-17 deposited with the CCDC.	2019-05-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.786(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.0757(11)
_cell_length_b                   10.4448(9)
_cell_length_c                   10.8094(12)
_cell_measurement_reflns_used    2457
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.64
_cell_measurement_theta_min      2.70
_cell_volume                     1136.2(2)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker PHOTO 100 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker PHOTO 100 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0217
_diffrn_reflns_av_unetI/netI     0.0225
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16350
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.542
_diffrn_reflns_theta_min         2.699
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.183
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0942 before and 0.0409 after correction. The Ratio of minimum to maximum transmission is 0.9363. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details
;
 Flack x determined using 2322 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_coef       0.018(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         5233
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0293
_refine_ls_R_factor_gt           0.0280
_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^)+(0.0368P)^2^+0.3572P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0705
_refine_ls_wR_factor_ref         0.0714
_reflns_Friedel_coverage         0.893
_reflns_Friedel_fraction_full    0.997
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                5066
_reflns_number_total             5233
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9qo00597h2.cif
_cod_data_source_block           cxy0697_0m
_cod_database_code               1554958
_shelx_shelxl_version_number     2018/3
_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:
 C5(H5), C7(H7)
2.b Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C9(H9), C10(H10), C18(H18), C19(H19), C20(H20),
 C21(H21), C24(H24), C25(H25), C26(H26), C27(H27)
2.d Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C15(H15A,H15B,H15C)
;
_olex2_submission_special_instructions 'No special instructions were received'