Synthesis of Dihydrothiophenes or Spirocyclic Compounds by Domino Reactions of 1,3-Thiazolidinedione
Jing Sun; Li-Li Zhang; Er-Yan Xia; Chao-Guo Yan; Journal of Organic Chemistry 74 (2009) 3398–3401; doi:10.1021/jo900215a

data_4024500
_publ_contact_author_address
;
      College of Chemistry & Chemical Engineering
      Yangzhou University
      Yangzhou 225002, 
      P.R. China
;
_publ_contact_author_email       cgyan@yzu.edu.cn
_publ_contact_author_fax         +86-514-7975590-8401
_publ_contact_author_name        'Chao Guo Yan'
_publ_contact_author_phone       +86-514-7975531
_publ_section_title
;
Synthesis of Dihydrothiophenes or Spirocyclic Compounds by Domino Reactions
of 1,3-Thiazolidinedione
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3398
_journal_page_last               3401
_journal_paper_doi               10.1021/jo900215a
_journal_volume                  74
_journal_year                    2009
_chemical_formula_moiety         'C18 H22 N4 O2 S'
_chemical_formula_sum            'C18 H22 N4 O2 S'
_chemical_formula_weight         358.47
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 94.341(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0718(7)
_cell_length_b                   27.435(3)
_cell_length_c                   11.4981(14)
_cell_measurement_reflns_used    6958
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.493
_cell_measurement_theta_min      2.315
_cell_volume                     1909.9(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14550
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.188
_exptl_absorpt_correction_T_max  0.713
_exptl_absorpt_correction_T_min  0.681
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760.0
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     231
_refine_ls_number_reflns         3758
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0410P)^2^+0.8915P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                3245
_reflns_number_total             3765
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900215a_si_001_07.cif
_cod_data_source_block           6b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4024500