Four-component reaction of N-alkylimidazoles (N-alkylbenzimidazoles), but-2-ynedioate, N-alkylisatins and malononitrile
Yan, Chao Guo; Yang, Fan; Zhang, Li-Juan; RSC Adv.  (2014) –; doi:10.1039/C4RA12278J

data_7218828
_publ_section_title
;
 Four-component reaction of N-alkylimidazoles (N-alkylbenzimidazoles),
 but-2-ynedioate, N-alkylisatins and malononitrile
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA12278J
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C40 H32 Cl N5 O5'
_chemical_formula_sum            'C40 H32 Cl N5 O5'
_chemical_formula_weight         698.16
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 102.619(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.030(2)
_cell_length_b                   11.569(2)
_cell_length_c                   16.376(2)
_cell_measurement_reflns_used    2700
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.43
_cell_measurement_theta_min      2.28
_cell_volume                     3518.2(8)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0393
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            13097
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.27
_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.944
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.30(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         5944
_refine_ls_number_restraints     33
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0910
_refine_ls_R_factor_gt           0.0512
_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^)+(0.0533P)^2^+1.1415P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1271
_reflns_number_gt                3942
_reflns_number_total             6216
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra12278j2.cif
_cod_data_source_block           2l'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/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 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               7218828