Facile Synthetic Routes to Bridge-Functionalised Calix[4]arenes
Fong, Angela; Cambell, Cameron; Huynh, Silvia; McCormick McPherson, Laura J.; Teat, Simon; Bebbington, Magnus W. P.; Dalgarno, Scott; Chemical Communications  (2022) –; doi:10.1039/D1CC06889J

data_7129659
_publ_section_title
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 Facile Synthetic Routes to Bridge-Functionalised Calix[4]arenes
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D1CC06889J
_journal_year                    2022
_chemical_formula_moiety         'C68 H80 N8 O4'
_chemical_formula_sum            'C68 H80 N8 O4'
_chemical_formula_weight         1073.40
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2022-01-23
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2022-01-23 deposited with the CCDC.	2022-02-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9501(4)
_cell_length_b                   21.9386(8)
_cell_length_c                   25.0173(9)
_cell_measurement_reflns_used    9240
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.68
_cell_volume                     6009.9(4)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.7288
_diffrn_reflns_av_R_equivalents  0.0540
_diffrn_reflns_av_unetI/netI     0.0332
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            57612
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.930
_diffrn_reflns_theta_max         26.069
_diffrn_reflns_theta_min         1.266
_diffrn_source                   'Advanced Light Source station 12.2.1'
_diffrn_source_current           5.0
_diffrn_source_power             0.1
_diffrn_source_voltage           20.0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6696
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.0829 before and 0.0678 after correction.
The Ratio of minimum to maximum transmission is 0.8984.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.186
_exptl_crystal_description       Plate
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.389
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     418
_refine_ls_number_reflns         5651
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0713
_refine_ls_R_factor_gt           0.0615
_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^)+(0.1165P)^2^+3.0487P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1833
_refine_ls_wR_factor_ref         0.1953
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4652
_reflns_number_total             5651
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1cc06889j2.cif
_cod_data_source_block           4
_cod_database_code               7129659
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.987
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: H19B(0.5) H19C(0.5) H25A(0.5) H25B(0.5) H25C(0.5) H27A(0.5)
 H27B(0.5) H27C(0.5) H29A(0.5) H29B(0.5) H29C(0.5) C21(0.5) H21A(0.5) H21B(0.5)
 H21C(0.5) C22(0.5) H22A(0.5) H22B(0.5) H22C(0.5) C23(0.5) H23A(0.5) H23B(0.5)
 H23C(0.5) C22A(0.5) H22D(0.5) H22E(0.5) H22F(0.5) C23A(0.5) H23D(0.5)
 H23E(0.5) H23F(0.5) C21A(0.5) H21D(0.5) H21E(0.5) H21F(0.5)
3.a Ternary CH refined with riding coordinates:
 C5(H5), C12(H12)
3.b Me refined with riding coordinates:
 C19(H19A,H19B,H19C), C25(H25A,H25B,H25C), C39(H39A,H39B,H39C)
3.c Aromatic/amide H refined with riding coordinates:
 C36(H36), C37(H37), C2(H2), C7(H7), C9(H9), C14(H14), C31(H31), C32(H32)
3.d Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C28(H28A,H28B,
 H28C), C29(H29A,H29B,H29C), C34(H34A,H34B,H34C), C21(H21A,H21B,H21C), C22(H22A,
 H22B,H22C), C23(H23A,H23B,H23C), C22A(H22D,H22E,H22F), C23A(H23D,H23E,H23F),
 C21A(H21D,H21E,H21F)
;
_shelx_res_checksum              77735
_shelx_hkl_checksum              69403
_olex2_submission_special_instructions 'No special instructions were received'