Organocatalytic enantioselective Diels-Alder reaction of dienes with alpha-(N,N-Diacylamino)acroleins.
Ishihara, Kazuaki; Nakano, Kazuhiko; Akakura, Matsujiro; Organic letters 10 (2008) 2893–2896; doi:10.1021/ol8011277

data_1504774
_publ_section_title
;
 Organocatalytic enantioselective Diels-Alder reaction of dienes with
 alpha-(N,N-Diacylamino)acroleins.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              2893
_journal_page_last               2896
_journal_paper_doi               10.1021/ol8011277
_journal_volume                  10
_journal_year                    2008
_chemical_absolute_configuration S
_chemical_formula_sum            'C17 H17 N O3'
_chemical_formula_weight         283.32
_chemical_name_common
;
(S)-1-(1,3-dioxoisoindolin-2-yl)-3,
4-dimethylcyclohex-3-enecarbaldehyde
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 98.693(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.719(4)
_cell_length_b                   7.5043(15)
_cell_length_c                   20.494(4)
_cell_measurement_temperature    223(2)
_cell_volume                     2845.8(10)
_computing_cell_refinement       'Bruker SMART APEX'
_computing_data_collection       'Bruker SMART APEX'
_computing_data_reduction        'Bruker SMART APEX'
_computing_molecular_graphics    'ORTEP 3'
_computing_publication_material  'ORTEP 3'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method       'omega mode'
_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  0.0220
_diffrn_reflns_av_sigmaI/netI    0.0422
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20766
_diffrn_reflns_theta_full        28.37
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         1.01
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9821
_exptl_absorpt_correction_T_min  0.9733
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SMART APEX'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.236
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1018
_refine_ls_number_reflns         12626
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0468
_refine_ls_shift/su_max          0.185
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0597P)^2^+0.1880P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1144
_reflns_number_gt                9888
_reflns_number_total             12626
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol8011277-file004.cif
_cod_data_source_block           dadmpt1
_cod_original_sg_symbol_H-M      P21
_cod_database_code               1504774