Diastereoselective multicomponent synthesis of dihydropyridones with an isocyanide functionality.
Paravidino, Monica; Bon, Robin S.; Scheffelaar, Rachel; Vugts, Danielle J.; Znabet, Anass; Schmitz, Rob F.; de Kanter, Frans J. J.; Lutz, Martin; Spek, Anthony L.; Groen, Marinus B.; Orru, Romano V. A.; Organic letters 8 (2006) 5369–5372; doi:10.1021/ol062204b

data_1506274
_publ_section_title
;
 Diastereoselective multicomponent synthesis of dihydropyridones with an
 isocyanide functionality.
;
_journal_issue                   23
_journal_name_full               'Organic letters'
_journal_page_first              5369
_journal_page_last               5372
_journal_paper_doi               10.1021/ol062204b
_journal_volume                  8
_journal_year                    2006
_chemical_formula_moiety         'C24 H18 N2 O'
_chemical_formula_sum            'C24 H18 N2 O'
_chemical_formula_weight         350.40
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.313(1)
_cell_angle_beta                 100.627(1)
_cell_angle_gamma                103.381(1)
_cell_formula_units_Z            2
_cell_length_a                   7.2566(2)
_cell_length_b                   8.17537(18)
_cell_length_c                   16.3566(7)
_cell_measurement_reflns_used    14794
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.55
_cell_volume                     924.32(5)
_computing_cell_refinement       Peakref
_computing_data_collection       'Nonius COLLECT'
_computing_data_reduction        'EvalCCD, Sadabs'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23518
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.856160
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'triangular plate'
_exptl_crystal_F_000             368
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.304
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         4258
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0579
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0433P)^2^+0.4238P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1100
_reflns_number_gt                3458
_reflns_number_total             4258
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol062204bsi20060906_044439.cif
_cod_data_source_block           s3621a
_cod_database_code               1506274