Investigation of the synthetic and mechanistic aspects of the highly stereoselective transformation of alpha-thioamides to alpha-thio-beta-chloroacrylamides.
Murphy, Maureen; Lynch, Denis; Schaeffer, Marcel; Kissane, Marie; Chopra, Jay; O'brien, Elisabeth; Ford, Alan; Ferguson, George; Maguire, Anita R.; Organic & biomolecular chemistry 5 (2007) 1228–1241; doi:10.1039/b618540a

data_7151095
_publ_section_title
;
 Investigation of the synthetic and mechanistic aspects of the highly
 stereoselective transformation of alpha-thioamides to
 alpha-thio-beta-chloroacrylamides.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1228
_journal_page_last               1241
_journal_paper_doi               10.1039/b618540a
_journal_volume                  5
_journal_year                    2007
_chemical_formula_moiety         'C17 H19 N O S'
_chemical_formula_sum            'C17 H19 N O S'
_chemical_formula_weight         285.40
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0
_cell_angle_beta                 103.939(23)
_cell_angle_gamma                90.0
_cell_formula_units_Z            8
_cell_length_a                   12.949(3)
_cell_length_b                   13.3462(13)
_cell_length_c                   18.932(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294
_cell_measurement_theta_max      14.00
_cell_measurement_theta_min      9.70
_cell_volume                     3175.5(11)
_computing_cell_refinement       'SET4 & CELDIM (Enraf-Nonius, 1992)'
_computing_data_collection       'CAD4 (Enraf-Nonius, 1992)'
_computing_data_reduction        'DATRD2 in NRCVAX96 (Gabe et al., 1989)'
_computing_molecular_graphics    'ORTEP (Johnson, 1976), PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'Nonius CAD-4 '
_diffrn_measurement_method       'Theta/2theta scan b/P/b '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'xray tube'
_diffrn_radiation_type           'Molybdenum K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0
_diffrn_reflns_av_sigmaI/netI    0.0638
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            3597
_diffrn_reflns_theta_full        26.91
_diffrn_reflns_theta_max         26.91
_diffrn_reflns_theta_min         2.21
_diffrn_standards_decay_%        1.0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.19
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.143
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.08(9)
_refine_ls_extinction_coef       0.0016(2)
_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   1.004
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         3597
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1202
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0349P)^2^+0.2470P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0731
_refine_ls_wR_factor_ref         0.0891
_reflns_number_gt                1969
_reflns_number_total             3597
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b618540a.txt
_cod_data_source_block           35-R*R*
_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      'C c'
_cod_database_code               7151095