Divergent synthesis of chiral heterocycles via sequencing of enantioselective three-component reactions and one-pot subsequent cyclization reactions
Min Tang; Dong Xing; Haoxi Huang; Wenhao Hu; Chem.Commun. 51 (2015) 10612–; doi:10.1039/C5cc01979F

data_7117331
_publ_section_title
;
 Divergent synthesis of chiral heterocycles via sequencing of
 enantioselective three-component reactions and one-pot subsequent
 cyclization reactions
;
_journal_name_full               Chem.Commun.
_journal_page_first              10612
_journal_paper_doi               10.1039/C5cc01979F
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C25 H22 Br N O5'
_chemical_formula_weight         496.35
_chemical_name_systematic
; 
 ? 
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-12-07 deposited with the CCDC.
2015-04-01 downloaded from the CCDC.
;
_cell_angle_alpha                87.694(2)
_cell_angle_beta                 71.902(2)
_cell_angle_gamma                69.127(2)
_cell_formula_units_Z            2
_cell_length_a                   9.6542(8)
_cell_length_b                   10.7705(9)
_cell_length_c                   12.1323(9)
_cell_measurement_temperature    296(2)
_cell_volume                     1116.89(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0242
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13055
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    1.877
_exptl_absorpt_correction_T_max  0.7287
_exptl_absorpt_correction_T_min  0.5061
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.476
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             508
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.436
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         3902
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0401
_refine_ls_R_factor_gt           0.0318
_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^)+(0.0409P)^2^+0.6809P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0770
_refine_ls_wR_factor_ref         0.0887
_reflns_number_gt                3380
_reflns_number_total             3902
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc01979f21_2.cif
_cod_data_source_block           z4
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7117331
_cod_duplicate_entry 7117328