Catalytic Enantioselective 1,3-Dipolar Cycloaddition of C,N-Cyclic Azomethine Imines with α,β-Unsaturated Aldehydes
Takuya Hashimoto; Yuko Maeda; Masato Omote; Hiroki Nakatsu; Keiji Maruoka; Journal of the American Chemical Society 132 (2010) 4076–4077; doi:10.1021/ja100787a

data_4102158
_publ_contact_author_email       maruoka@kuchem.kyoto-u.ac.jp
_publ_contact_author_fax         +81(75)-753-4041
_publ_contact_author_name        'Keiji Maruoka'
_publ_contact_author_phone       +81(75)-753-4041
_publ_section_title
;
 Catalytic Enantioselective 1,3-Dipolar Cycloaddition of C,N-Cyclic
 Azomethine Imines with \a,\b-Unsaturated Aldehydes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4076
_journal_page_last               4077
_journal_paper_doi               10.1021/ja100787a
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H21 Br N2 O2 '
_chemical_formula_sum            'C20 H21 Br N2 O2'
_chemical_formula_weight         401.30
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_date             2009-02-19
_audit_creation_method           'by CrystalStructure 3.8'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   5.45891(10)
_cell_length_b                   11.3397(2)
_cell_length_c                   28.9935(5)
_cell_measurement_reflns_used    15647
_cell_measurement_temperature    123.1
_cell_measurement_theta_max      68.3
_cell_measurement_theta_min      3.0
_cell_volume                     1794.77(6)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        CrystalStructure
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  SHELXL
_computing_structure_solution    SIR2004
_diffrn_detector_area_resol_mean 5.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.071
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            18056
_diffrn_reflns_theta_full        68.19
_diffrn_reflns_theta_max         68.19
_exptl_absorpt_coefficient_mu    3.249
_exptl_absorpt_correction_T_max  0.723
_exptl_absorpt_correction_T_min  0.565
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
    Higashi, T. (1999). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             824.00
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.30
_refine_diff_density_min         -0.56
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1337 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.00(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3278
_refine_ls_R_factor_gt           0.0366
_refine_ls_shift/su_max          0.0010
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0370P)^2^+0.6160P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0898
_reflns_number_gt                3050
_reflns_number_total             3278
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja100787a_si_002.cif
_cod_data_source_block           '_hashimoto9218'
_cod_original_formula_sum        'C20 H21 Br N2 O2 '
_cod_database_code               4102158