Synthesis and Conformation of Chiral Biheteroaryls
Wanchai Pluempanupat; Michael Abraham; Lothar Brecker; Peter Wolschann; Alfred Karpfen; Vladimir B. Arion; Michael Widhalm; Journal of Organic Chemistry 76 (2011) 3222–3230; doi:10.1021/jo200089p

data_4026235
_publ_section_title
;
 Synthesis and Conformation of Chiral Biheteroaryls
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3222
_journal_page_last               3230
_journal_paper_doi               10.1021/jo200089p
_journal_volume                  76
_journal_year                    2011
_chemical_formula_moiety         'C34 H36 N2 O4 S2'
_chemical_formula_sum            'C34 H36 N2 O4 S2'
_chemical_formula_weight         600.77
_chemical_name_systematic
; 
(R)-N,N'-(3,3'-diallyl-1,1'-binaphthyl-2,2'-diyl)bis(N-allyl-
methanesulfonamide) 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   10.4123(7)
_cell_length_b                   10.7934(6)
_cell_length_c                   27.6152(16)
_cell_measurement_reflns_used    3333
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.27
_cell_measurement_theta_min      2.39
_cell_volume                     3103.5(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.1688
_diffrn_reflns_av_sigmaI/netI    0.1145
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            86153
_diffrn_reflns_theta_full        29.92
_diffrn_reflns_theta_max         29.92
_diffrn_reflns_theta_min         2.45
_exptl_absorpt_coefficient_mu    0.212
_exptl_absorpt_correction_T_max  0.9689
_exptl_absorpt_correction_T_min  0.9449
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.274
_refine_diff_density_min         -0.360
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.982
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         8924
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.982
_refine_ls_R_factor_all          0.1128
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0509P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1072
_refine_ls_wR_factor_ref         0.1251
_reflns_number_gt                5545
_reflns_number_total             8924
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo200089p_si_003_2.cif
_cod_data_source_block           miwi034
_cod_database_code               4026235