Stereochemical control of both C-C and C-N axial chirality in the synthesis of chiral N,O-biaryls.
Oppenheimer, Jossian; Hsung, Richard P.; Figueroa, Ruth; Johnson, Whitney L.; Organic letters 9 (2007) 3969–3972; doi:10.1021/ol701692m

data_1505535
_publ_section_title
;
 Stereochemical control of both C-C and C-N axial chirality in the
 synthesis of chiral N,O-biaryls.
;
_journal_issue                   20
_journal_name_full               'Organic letters'
_journal_page_first              3969
_journal_page_last               3972
_journal_paper_doi               10.1021/ol701692m
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C29 H35 N O7'
_chemical_formula_sum            'C29 H35 N O7'
_chemical_formula_weight         509.58
_chemical_name_common            07035
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.575(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6601(10)
_cell_length_b                   10.7203(9)
_cell_length_c                   21.3025(18)
_cell_measurement_reflns_used    3505
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.08
_cell_measurement_theta_min      2.58
_cell_volume                     2660.1(4)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker SMART Platform CCD'
_diffrn_measurement_method       'area detector, omega scans per phi'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0223
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27599
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.947
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.272
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     342
_refine_ls_number_reflns         6060
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0731P)^2^+0.9463P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1164
_refine_ls_wR_factor_ref         0.1297
_reflns_number_gt                4888
_reflns_number_total             6060
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol701692m-file005.cif
_cod_data_source_block           07035
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1505535