<i>De novo</i> synthesis of inherently chiral heteracalix[4]aromatics from enantioselective macrocyclization enabled by chiral phosphoric acid-catalyzed intramolecular S<sub>N</sub>Ar reaction.
Li, Xing-Chi; Cheng, Ying; Wang, Xu-Dong; Tong, Shuo; Wang, Mei-Xiang; Chemical science 15 (2024) 3610–3615; doi:10.1039/d3sc06436k

data_1571361
_publ_section_title
;
 <i>De novo</i> synthesis of inherently chiral heteracalix[4]aromatics
 from enantioselective macrocyclization enabled by chiral phosphoric
 acid-catalyzed intramolecular S<sub>N</sub>Ar reaction.
;
_journal_issue                   10
_journal_name_full               'Chemical science'
_journal_page_first              3610
_journal_page_last               3615
_journal_paper_doi               10.1039/d3sc06436k
_journal_volume                  15
_journal_year                    2024
_chemical_formula_sum            'C36.25 H42 N9 O4.5'
_chemical_formula_weight         675.79
_space_group_crystal_system      hexagonal
_space_group_IT_number           180
_space_group_name_Hall           'P 62 2 (0 0 4)'
_space_group_name_H-M_alt        'P 62 2 2'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-10-27 deposited with the CCDC.	2024-01-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            12
_cell_length_a                   17.07750(10)
_cell_length_b                   17.07750(10)
_cell_length_c                   48.3005(3)
_cell_measurement_reflns_used    6484
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      62.491
_cell_measurement_theta_min      3.504
_cell_volume                     12199.19(13)
_computing_cell_refinement       'CrysAlisPro 1.171.41.123a (Rigaku OD, 2022)'
_computing_data_collection       'CrysAlisPro 1.171.41.123a (Rigaku OD, 2022)'
_computing_data_reduction        'CrysAlisPro 1.171.41.123a (Rigaku OD, 2022)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1015
_diffrn_reflns_av_unetI/netI     0.0210
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       55
_diffrn_reflns_limit_l_min       -55
_diffrn_reflns_number            238456
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        62.491
_diffrn_reflns_theta_max         62.491
_diffrn_reflns_theta_min         3.504
_exptl_absorpt_coefficient_mu    0.611
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.47671
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.104
_exptl_crystal_description       block
_exptl_crystal_F_000             4302
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.716
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.069
_refine_ls_abs_structure_details
;
 Flack x determined using 2396 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.03(7)
_refine_ls_extinction_coef       0.00044(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     482
_refine_ls_number_reflns         6484
_refine_ls_number_restraints     131
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0539
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0925P)^2^+8.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1454
_refine_ls_wR_factor_ref         0.1486
_reflns_Friedel_coverage         0.688
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                6082
_reflns_number_total             6484
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc06436k2.cif
_cod_data_source_block           A_CCDC2
_cod_original_cell_volume        12199.18(16)
_cod_original_sg_symbol_Hall     'P 62 2c (0 0 1)'
_cod_original_formula_sum        'C36.25 H42 N9 O4.50'
_cod_database_code               1571361
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              86381