Synthesis of Furan-Annelated BINOL Derivatives: Acid-Catalyzed Cyclization Induces Partial Racemization.
Octa-Smolin, Frescilia; van der Vight, Felix; Yadav, Rohan; Bhangu, Jasmine; Soloviova, Kateryna; Wölper, Christoph; Daniliuc, Constantin G.; Strassert, Cristian A.; Somnitz, Holger; Jansen, Georg; Niemeyer, Jochen; The Journal of organic chemistry 83 (2018) 14568–14587; doi:10.1021/acs.joc.8b02353

data_4035699
_publ_section_title
;
 Synthesis of Furan-Annelated BINOL Derivatives: Acid-Catalyzed
 Cyclization Induces Partial Racemization.
;
_journal_issue                   23
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              14568
_journal_page_last               14587
_journal_paper_doi               10.1021/acs.joc.8b02353
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C32 H26 O4'
_chemical_formula_weight         474.53
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                68.869(3)
_cell_angle_beta                 68.313(3)
_cell_angle_gamma                64.712(3)
_cell_formula_units_Z            2
_cell_length_a                   11.1050(8)
_cell_length_b                   11.4637(8)
_cell_length_c                   11.6332(8)
_cell_measurement_reflns_used    9600
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.23
_cell_measurement_theta_min      2.44
_cell_volume                     1207.52(15)
_computing_cell_refinement       'BRUKER D8 KAPPA APEX 2 (3.0-2009)'
_computing_data_collection       'BRUKER D8 KAPPA APEX 2 (3.0-2009)'
_computing_data_reduction        'BRUKER D8 KAPPA APEX 2 (3.0-2009)'
_computing_molecular_graphics    'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_publication_material  'BRUKER AXS SHELXTL (c) 2008 / Vers. 2008/4'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'BRUKER D8 KAPPA APEX 2 (3.0-2009)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type
; 
 Bruker D8 KAPPA series II with APEX II area detector system
;
_diffrn_measurement_method
;
 Data collection strategy APEX 2/COSMO
;
_diffrn_radiation_monochromator  'Triumph Goebel mirror'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0239
_diffrn_reflns_av_unetI/netI     0.0145
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            57799
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.287
_diffrn_reflns_theta_min         1.941
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.75
_exptl_absorpt_correction_T_min  0.72
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 BRUKER AXS SMART APEX 2 Vers. 3.0-2009
 R.H. Blessing, Acta Cryst. (1995) A51 33-38 
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       tablet
_exptl_crystal_F_000             500
_exptl_crystal_size_max          0.584
_exptl_crystal_size_mid          0.301
_exptl_crystal_size_min          0.163
_refine_diff_density_max         1.583
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         9196
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0560
_refine_ls_R_factor_gt           0.0488
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0816P)^2^+0.5127P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1371
_refine_ls_wR_factor_ref         0.1463
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8005
_reflns_number_total             9196
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b02353_si_004.cif
_cod_data_source_block           fos_450_2m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_atom_sites_solution_secondary' value 'diffmap' was
changed to 'difmap'.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4035699
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.952
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              11217
_shelx_hkl_checksum              13552