Enantioselective bromocyclization of olefins catalyzed by chiral phosphoric acid.
Huang, Deshun; Wang, Haining; Xue, Fazhen; Guan, Huan; Li, Lijun; Peng, Xianyou; Shi, Yian; Organic letters 13 (2011) 6350–6353; doi:10.1021/ol202527g

data_1502571
_publ_section_title
;
 Enantioselective bromocyclization of olefins catalyzed by chiral
 phosphoric acid.
;
_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              6350
_journal_page_last               6353
_journal_paper_doi               10.1021/ol202527g
_journal_volume                  13
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C26 H42 Br N O2 S'
_chemical_formula_sum            'C26 H42 Br N O2 S'
_chemical_formula_weight         512.58
_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                 109.97(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.439(2)
_cell_length_b                   11.246(3)
_cell_length_c                   13.111(3)
_cell_measurement_reflns_used    4767
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4843
_cell_measurement_theta_min      2.4519
_cell_volume                     1308.1(6)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14927
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    1.673
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7419
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.301
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.537
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.028(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         5946
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0299P)^2^+0.0657P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0725
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                5658
_reflns_number_total             5946
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol202527g_si_002.cif
_cod_data_source_block           a
_cod_original_cell_volume        1308.1(5)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1502571