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_1503126
_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_sum            'C22.66667 H19.66667 Cl2 N3 O4.66667'
_chemical_formula_weight         479.65
_chemical_name_systematic
; 
 ? 
;
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
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_cell_angle_gamma                110.784(2)
_cell_formula_units_Z            6
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_cell_length_b                   14.590(2)
_cell_length_c                   19.733(3)
_cell_measurement_reflns_used    7493
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.27
_cell_measurement_theta_min      2.16
_cell_volume                     3630.1(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
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_diffrn_reflns_limit_l_min       -23
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_diffrn_reflns_theta_max         25.00
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_exptl_absorpt_coefficient_mu    0.304
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_exptl_absorpt_correction_T_min  0.9143
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
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_exptl_crystal_size_max          0.30
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_platon_squeeze_details
;
;
_refine_diff_density_max         0.275
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         12650
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0861P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     >2sigma(I)
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