Facile Access to Bridged Ring Systems via Point-to-Planar Chirality Transfer: Unified Synthesis of Ten Cyclocitrinols.
Wang, Yu; Ju, Wei; Tian, Hailong; Sun, Suyun; Li, Xinghui; Tian, Weisheng; Gui, Jinghan; Journal of the American Chemical Society 141 (2019) 5021–5033; doi:10.1021/jacs.9b00925

data_4129030
_publ_section_title
;
 Facile Access to Bridged Ring Systems via Point-to-Planar Chirality
 Transfer: Unified Synthesis of Ten Cyclocitrinols.
;
_journal_issue                   12
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5021
_journal_page_last               5033
_journal_paper_doi               10.1021/jacs.9b00925
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C23 H30 O4'
_chemical_formula_weight         370.47
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 96.3550(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.82350(10)
_cell_length_b                   8.28190(10)
_cell_length_c                   16.2110(2)
_cell_measurement_reflns_used    4310
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      138.027
_cell_measurement_theta_min      10.983
_cell_volume                     1043.91(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_unetI/netI     0.0430
_diffrn_reflns_Laue_measured_fraction_full 0.959
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            7543
_diffrn_reflns_point_group_measured_fraction_full 0.820
_diffrn_reflns_point_group_measured_fraction_max 0.851
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         65.998
_diffrn_reflns_theta_min         5.491
_exptl_absorpt_coefficient_mu    0.633
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5213
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.207
_refine_diff_density_min         -0.170
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
; 
 Flack x determined using 1084 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   -0.10(14)
_refine_ls_extinction_coef       0.0048(13)
_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   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         3099
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0421
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0767P)^2^+0.0631P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1141
_refine_ls_wR_factor_ref         0.1153
_reflns_Friedel_coverage         0.591
_reflns_Friedel_fraction_full    0.660
_reflns_Friedel_fraction_max     0.685
_reflns_number_gt                2978
_reflns_number_total             3099
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b00925_si_003.cif
_cod_data_source_block           cu_dm17390_0m
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4129030
_shelx_estimated_absorpt_t_min   0.884
_shelx_estimated_absorpt_t_max   0.928
_shelxl_version_number           2013-4
_shelx_res_checksum              6273
_shelx_hkl_checksum              92139