Mechanistic studies of highly enantio- and diastereoselective aza-petasis-ferrier rearrangement catalyzed by chiral phosphoric Acid.
Terada, Masahiro; Komuro, Takazumi; Toda, Yasunori; Korenaga, Toshinobu; Journal of the American Chemical Society 136 (2014) 7044–7057; doi:10.1021/ja5017206

data_4121763
_publ_section_title
;
 Mechanistic studies of highly enantio- and diastereoselective
 aza-petasis-ferrier rearrangement catalyzed by chiral phosphoric Acid.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7044
_journal_page_last               7057
_journal_paper_doi               10.1021/ja5017206
_journal_volume                  136
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_sum            'C15 H20 Br N O3'
_chemical_formula_weight         342.23
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 113.152(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.774(6)
_cell_length_b                   5.1185(15)
_cell_length_c                   17.225(5)
_cell_measurement_reflns_used    3015
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.80
_cell_measurement_theta_min      2.57
_cell_volume                     1603.0(8)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0236
_diffrn_reflns_av_sigmaI/netI    0.0632
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            3691
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.29
_exptl_absorpt_coefficient_mu    2.571
_exptl_absorpt_correction_T_max  0.9504
_exptl_absorpt_correction_T_min  0.7831
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.10
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_refine_diff_density_max         0.713
_refine_diff_density_min         -0.907
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.007(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2581
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0180P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.0714
_reflns_number_gt                2387
_reflns_number_total             2581
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja5017206_si_003.cif
_cod_data_source_block           si240a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

 Adding full bibliography for 4121762--4121763.cif.
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_cod_original_cell_volume        1602.9(8)
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4121763