Ethyl 7-methyl-3-oxo-5-phenyl-2-(2,4,6-trimethoxybenzylidene)-2,3-dihydro-5<i>H</i>-thiazolo[3,2-<i>a</i>]pyrimidine-6-carboxylate
Banu, Noor Afshan; Bheema Raju, V.; Acta Crystallographica Section E 68 (2012) o1213–; doi:10.1107/S1600536812012354

data_2234359
_publ_section_title
;
 Ethyl
 7-methyl-3-oxo-5-phenyl-2-(2,4,6-trimethoxybenzylidene)-2,3-dihydro-5<i>H</i>-thiazolo[3,2-<i>a</i>]pyrimidine-6-carboxylate
;
_journal_coeditor_code           PV2518
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1213
_journal_paper_doi               10.1107/S1600536812012354
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C26 H26 N2 O6 S'
_chemical_formula_moiety         'C26 H26 N2 O6 S'
_chemical_formula_sum            'C26 H26 N2 O6 S'
_chemical_formula_weight         494.55
_chemical_name_systematic
;
Ethyl 7-methyl-3-oxo-5-phenyl-2-(2,4,6-trimethoxybenzylidene)-
2,3-dihydro-5<i>H</i>-thiazolo[3,2-<i>a</i>]pyrimidine-6-carboxylate
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 94.465(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5363(19)
_cell_length_b                   18.178(5)
_cell_length_c                   16.973(4)
_cell_measurement_reflns_used    5055
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.00
_cell_measurement_theta_min      2.24
_cell_volume                     2318.2(10)
_computing_cell_refinement       'SMART (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT-Plus (Bruker, 1998)'
_computing_molecular_graphics
'ORTEP-3 (Farrugia, 1997) and CAMERON (Watkin <i>et al.</i>, 1996)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX CCD detector'
_diffrn_measurement_method       '\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  0.0523
_diffrn_reflns_av_sigmaI/netI    0.0659
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13918
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    0.187
_exptl_absorpt_correction_T_max  0.9708
_exptl_absorpt_correction_T_min  0.9672
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.417
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1040
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.590
_refine_diff_density_min         -0.377
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         5055
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0903
_refine_ls_R_factor_gt           0.0580
_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^)+(0.0854P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1403
_refine_ls_wR_factor_ref         0.1677
_reflns_number_gt                3500
_reflns_number_total             5055
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            pv2518.cif
_cod_data_source_block           I
_cod_original_cell_volume        2318.1(10)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2234359
_cod_database_fobs_code          2234359