Diastereoselective syntheses of 3-aryl-5-(arylalkyl)-6-methyl-1-(1-phenylethyl)thioxotetrahydropyrimidin-4(1H)-ones: a stereochemical perspective from endo and exocyclic chiral centres.
Kumar, Varun; Raghavaiah, Pallepogu; Mobin, Shaikh M.; Nair, Vipin A.; Organic & biomolecular chemistry 8 (2010) 4960–4970; doi:10.1039/c0ob00230e

data_7153463
_publ_section_title
;
 Diastereoselective syntheses of
 3-aryl-5-(arylalkyl)-6-methyl-1-(1-phenylethyl)thioxotetrahydropyrimidin-4(1H)-ones:
 a stereochemical perspective from endo and exocyclic chiral centres.
;
_journal_issue                   21
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4960
_journal_page_last               4970
_journal_paper_doi               10.1039/c0ob00230e
_journal_volume                  8
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_sum            'C27 H23 Cl2 N3 O S'
_chemical_formula_weight         508.44
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 107.048(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.8114(11)
_cell_length_b                   10.9871(11)
_cell_length_c                   11.0108(11)
_cell_measurement_reflns_used    8302
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.96
_cell_measurement_theta_min      2.32
_cell_volume                     1250.5(2)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0357
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9363
_diffrn_reflns_theta_full        25.96
_diffrn_reflns_theta_max         25.96
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    0.369
_exptl_absorpt_correction_T_max  0.9366
_exptl_absorpt_correction_T_min  0.8636
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.350
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4769
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0289
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0363P)^2^+0.1800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0689
_refine_ls_wR_factor_ref         0.0694
_reflns_number_gt                4645
_reflns_number_total             4769
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ob00230e.txt
_cod_data_source_block           enp176
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P2(1) '
_cod_database_code               7153463