Organocatalytic asymmetric domino sulfa-Michael-aldol reactions of 2-mercaptobenzaldehyde with alpha,beta-unsaturated N-acylpyrazoles for the construction of thiochromane
Xiu-Qin Dong; Xin Fang; Hai-Yan Tao; Chun-Jiang Wang; Xiang Zhou; Chem.Commun. 48 (2012) 7238–; doi:10.1039/c2cc31891a

data_7107988
_publ_section_title
;
 Organocatalytic asymmetric domino sulfa-Michael-aldol reactions of
 2-mercaptobenzaldehyde with alpha,beta-unsaturated N-acylpyrazoles for
 the construction of thiochromane
;
_journal_name_full               Chem.Commun.
_journal_page_first              7238
_journal_paper_doi               10.1039/c2cc31891a
_journal_volume                  48
_journal_year                    2012
_chemical_absolute_configuration 11S,12R,13S
_chemical_formula_moiety         'C25 H22 N2 O2 S'
_chemical_formula_sum            'C25 H22 N2 O2 S'
_chemical_formula_weight         414.51
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8585(10)
_cell_length_b                   11.5282(19)
_cell_length_c                   30.948(5)
_cell_measurement_temperature    293(2)
_cell_volume                     2090.2(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            9744
_diffrn_reflns_theta_full        23.92
_diffrn_reflns_theta_max         23.92
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.9599
_exptl_absorpt_correction_T_min  0.9498
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.163
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.034
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.11(10)
_refine_ls_extinction_coef       0.0050(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     275
_refine_ls_number_reflns         3243
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0515
_refine_ls_R_factor_gt           0.0393
_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^)+(0.0396P)^2^+0.3845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0910
_reflns_number_gt                2743
_reflns_number_total             3243
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc31891a.txt
_cod_data_source_block           111122dxq_0m
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7107988