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_4024496
_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 H20 N4 O2 S'
_chemical_formula_sum            'C18 H20 N4 O2 S'
_chemical_formula_weight         356.44
_chemical_name_systematic
; 
 ? 
;
_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                 109.099(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.6175(15)
_cell_length_b                   15.2656(17)
_cell_length_c                   18.229(2)
_cell_measurement_reflns_used    3939
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.5
_cell_measurement_theta_min      2.26
_cell_volume                     3580.8(7)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0602
_diffrn_reflns_av_sigmaI/netI    0.0649
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            31189
_diffrn_reflns_theta_full        27.63
_diffrn_reflns_theta_max         27.63
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.200
_exptl_absorpt_correction_T_max  0.9706
_exptl_absorpt_correction_T_min  0.9555
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1496
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.790
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.989
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         8294
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.1299
_refine_ls_R_factor_gt           0.0598
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0863P)^2^+1.8773P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1499
_refine_ls_wR_factor_ref         0.1903
_reflns_number_gt                4475
_reflns_number_total             8294
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900215a_si_001_04.cif
_cod_data_source_block           3b
_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_Hall     -P2yn
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4024496