Enantioselective organocatalytic Michael addition of isorhodanines to α,β-unsaturated aldehydes.
Wu, Shanchao; Li, Yu; Zhang, Yongqiang; Fang, Kun; Dong, Guoqiang; Liu, Na; Miao, Zhenyuan; Yao, Jianzhong; Wang, Wei; Zhang, Wannian; Sheng, Chunquan; Organic & biomolecular chemistry 14 (2016) 3926–3933; doi:10.1039/c5ob02457a

data_7155050
_publ_section_title
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 Enantioselective organocatalytic Michael addition of isorhodanines to
 \a,\b-unsaturated aldehydes.
;
_journal_issue                   16
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3926
_journal_page_last               3933
_journal_paper_doi               10.1039/c5ob02457a
_journal_volume                  14
_journal_year                    2016
_chemical_formula_sum            'C19 H19 N O2 S2'
_chemical_formula_weight         357.47
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-22 deposited with the CCDC.
2016-03-17 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.8460(13)
_cell_length_b                   11.5153(15)
_cell_length_c                   14.8533(18)
_cell_measurement_reflns_used    2782
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.60
_cell_measurement_theta_min      2.33
_cell_volume                     1855.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0388
_diffrn_reflns_av_sigmaI/netI    0.0447
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13700
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    0.297
_exptl_absorpt_correction_T_max  0.9737
_exptl_absorpt_correction_T_min  0.9652
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.185
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.750
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         4244
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.750
_refine_ls_R_factor_all          0.0775
_refine_ls_R_factor_gt           0.0395
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.7787P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1071
_refine_ls_wR_factor_ref         0.1408
_reflns_number_gt                2830
_reflns_number_total             4244
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ob02457a2.cif
_cod_data_source_block           mo_21229a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7155050.cif.
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7155050