Synthesis of polysubstituted dihydropyridines by four-component reactions of aromatic aldehydes, malononitrile, arylamines, and acetylenedicarboxylate.
Sun, Jing; Xia, Er-Yan; Wu, Qun; Yan, Chao-Guo; Organic letters 12 (2010) 3678–3681; doi:10.1021/ol101475b

data_1503130
_publ_section_title
;
 Synthesis of polysubstituted dihydropyridines by four-component reactions
 of aromatic aldehydes, malononitrile, arylamines, and
 acetylenedicarboxylate.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              3678
_journal_page_last               3681
_journal_paper_doi               10.1021/ol101475b
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C28 H25 Cl N2 O6 '
_chemical_formula_sum            'C28 H25 Cl N2 O6'
_chemical_formula_weight         520.95
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                69.2880(10)
_cell_angle_beta                 72.0490(10)
_cell_angle_gamma                85.319(2)
_cell_formula_units_Z            2
_cell_length_a                   10.3872(14)
_cell_length_b                   11.3862(15)
_cell_length_c                   11.9876(16)
_cell_measurement_reflns_used    7328
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.63
_cell_measurement_theta_min      2.35
_cell_volume                     1261.0(3)
_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 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0236
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11102
_diffrn_reflns_theta_full        27.64
_diffrn_reflns_theta_max         27.64
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.198
_exptl_absorpt_correction_T_max  0.950
_exptl_absorpt_correction_T_min  0.942
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544.0
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.404
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         5737
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0436
_refine_ls_R_factor_gt           0.0389
_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^)+(0.0636P)^2^+0.4269P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                5068
_reflns_number_total             5877
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol101475b_si_001.cif
_cod_data_source_block           2v
_cod_original_formula_sum        'C28 H25 Cl N2 O6 '
_cod_database_code               1503130