Synthesis of thiazolidine-thiones, imino-thiazolidines and oxazolidines via the base promoted cyclisation of epoxy-sulfonamides and heterocumulenes.
Anitha, Mandala; Swamy, K. C. Kumara; Organic & biomolecular chemistry 16 (2018) 402–413; doi:10.1039/c7ob02915b

data_7156018
_publ_section_title
;
 Synthesis of thiazolidine-thiones, imino-thiazolidines and oxazolidines
 via the base promoted cyclisation of epoxy-sulfonamides and
 heterocumulenes.
;
_journal_issue                   3
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              402
_journal_page_last               413
_journal_paper_doi               10.1039/c7ob02915b
_journal_volume                  16
_journal_year                    2018
_chemical_formula_sum            'C22 H28 N O5 P S'
_chemical_formula_weight         449.48
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-11-24 deposited with the CCDC.
2017-12-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.0030(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.4813(7)
_cell_length_b                   13.2156(6)
_cell_length_c                   11.7370(4)
_cell_measurement_reflns_used    9927
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.92
_cell_measurement_theta_min      2.33
_cell_volume                     2377.94(17)
_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-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0165
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            48349
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.235
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             952
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.798
_refine_diff_density_min         -0.617
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4165
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0757
_refine_ls_R_factor_gt           0.0625
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0906P)^2^+1.8488P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1686
_refine_ls_wR_factor_ref         0.1792
_reflns_number_gt                3357
_reflns_number_total             4165
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ob02915b2.cif
_cod_data_source_block           Compound49
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/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 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7156017--7156021.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7156018