Synthesis, Conformational Stability, and Asymmetric Transformation of Atropisomeric 1,8-Bisphenolnaphthalenes
Marwan W. Ghosn; Christian Wolf; Journal of Organic Chemistry 76 (2011) 3888–3897; doi:10.1021/jo200309g

data_4026297
_publ_section_title
;
 Synthesis, Conformational Stability, and Asymmetric Transformation of
 Atropisomeric 1,8-Bisphenolnaphthalenes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3888
_journal_page_last               3897
_journal_paper_doi               10.1021/jo200309g
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration rm
_chemical_formula_sum            'C36 H42 N2 O4'
_chemical_formula_weight         566.71
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.847(4)
_cell_length_b                   21.365(9)
_cell_length_c                   13.644(6)
_cell_measurement_temperature    100(2)
_cell_volume                     3162(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0279
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23350
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.9962
_exptl_absorpt_correction_T_min  0.9923
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.335
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.0(16)
_refine_ls_extinction_coef       0.0026(3)
_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   1.138
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     770
_refine_ls_number_reflns         10982
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0792
_refine_ls_R_factor_gt           0.0756
_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^)+(0.0124P)^2^+9.1701P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1649
_refine_ls_wR_factor_ref         0.1665
_reflns_number_gt                10320
_reflns_number_total             10982
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo200309g_si_003.cif
_cod_data_source_block           c:\docume~1\bruker~1\desktop\ghosn\work-1~2\mpa
_cod_database_code               4026297