Asymmetric organocatalytic formal double-arylation of azomethines for the synthesis of highly enantiomerically enriched isoindolines
Wang, Chao; Chen, Xiao-Hua; Zhou, Shi-Ming; Gong, Liu-Zhu; Chemical Communications (Cambridge, United Kingdom) 46 (2010) 1275–1277; doi:10.1039/b917246g

data_7105252
_publ_section_title
;
 Asymmetric organocatalytic formal double-arylation of azomethines for the
 synthesis of highly enantiomerically enriched isoindolines
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   8
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              1275
_journal_page_last               1277
_journal_paper_doi               10.1039/b917246g
_journal_volume                  46
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_sum            'C26 H21 Cl N2 O8'
_chemical_formula_weight         524.90
_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                90.000(5)
_cell_angle_beta                 101.631(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   7.965(5)
_cell_length_b                   30.381(5)
_cell_length_c                   10.583(5)
_cell_measurement_reflns_used    4971
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      62.6760
_cell_measurement_theta_min      2.9059
_cell_volume                     2508(2)
_computing_cell_refinement       'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_data_collection       'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_data_reduction        'CrysAlisPro (Oxford Diffraction Ltd.)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Gemini S Ultra, Oxford Diffraction'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0551
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14302
_diffrn_reflns_theta_full        62.83
_diffrn_reflns_theta_max         62.83
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    1.813
_exptl_absorpt_correction_T_max  0.7361
_exptl_absorpt_correction_T_min  0.6307
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.34d (release 27-02-2009 CrysAlis171 .NET)
(compiled Feb 27 2009,15:38:38)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.242
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.033(17)
_refine_ls_extinction_coef       0.00071(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     676
_refine_ls_number_reflns         7313
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0425
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0355P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0868
_refine_ls_wR_factor_ref         0.0934
_reflns_number_gt                5182
_reflns_number_total             7313
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b917246g.txt
_cod_data_source_block           090305-cu2
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7105252