Controlled monodefluorination and alkylation of C(sp3)-F Bonds by Lanthanide Photocatalysts: Importance of Metal – Ligand Cooperativity
Kynman, Amy E.; Elghanayan, Luca; Desnoyer, Addison; Yang, Yan; Severy, Laurent; Di Giuseppe, Andrea; Tilley, T. Don; Maron, Laurent; Arnold, Polly Louise; Chemical Science  (2022) –; doi:10.1039/D2SC04192H

data_1567931
_publ_section_title
;
 Controlled monodefluorination and alkylation of C(sp3)-F Bonds by
 Lanthanide Photocatalysts: Importance of Metal -- Ligand Cooperativity
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC04192H
_journal_year                    2022
_chemical_formula_moiety         'C38 H55 N2 O Sm'
_chemical_formula_sum            'C38 H55 N2 O Sm'
_chemical_formula_weight         706.19
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-11-03
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2021-11-09 deposited with the CCDC.	2022-11-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.4636(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.68690(5)
_cell_length_b                   17.26346(8)
_cell_length_c                   19.16251(8)
_cell_measurement_reflns_used    79630
_cell_measurement_temperature    100.00(11)
_cell_measurement_theta_max      77.1920
_cell_measurement_theta_min      3.4200
_cell_volume                     3535.23(3)
_computing_cell_refinement       'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_data_collection       'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_data_reduction        'CrysAlisPro 1.171.41.112a (Rigaku OD, 2021)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.00(11)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0922390000
_diffrn_orient_matrix_UB_12      -0.0410384000
_diffrn_orient_matrix_UB_13      -0.0490869000
_diffrn_orient_matrix_UB_21      0.0764668000
_diffrn_orient_matrix_UB_22      -0.0281187000
_diffrn_orient_matrix_UB_23      0.0636138000
_diffrn_orient_matrix_UB_31      -0.0800885000
_diffrn_orient_matrix_UB_32      -0.0741023000
_diffrn_orient_matrix_UB_33      0.0030490000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0781
_diffrn_reflns_av_unetI/netI     0.0211
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            136174
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.498
_diffrn_reflns_theta_min         3.446
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'PhotonJet (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    12.684
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.529
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.112a (Rigaku Oxford Diffraction, 2021)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_description       block
_exptl_crystal_F_000             1468
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.529
_refine_diff_density_min         -0.964
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     395
_refine_ls_number_reflns         7240
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0232
_refine_ls_R_factor_gt           0.0225
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0291P)^2^+2.6067P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0559
_refine_ls_wR_factor_ref         0.0563
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7077
_reflns_number_total             7240
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc04192h1.cif
_cod_data_source_block           pla21053_refinalized
_cod_database_code               1567931
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'Sm C40 H50 N2 O'
_shelx_estimated_absorpt_t_max   0.470
_shelx_estimated_absorpt_t_min   0.186
_reflns_odcompleteness_completeness 99.97
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     74.33
_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.a Ternary CH refined with riding coordinates:
 C18(H18)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C3(H3), C21(H21), C30(H30), C16(H16), C15(H15)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C27(H27A,H27B,H27C), C28(H28A,H28B,H28C),
 C26(H26A,H26B,H26C), C20(H20A,H20B,H20C), C10(H10A,H10B,H10C), C29(H29A,H29B,
 H29C), C35(H35A,H35B,H35C), C14(H14A,H14B,H14C), C13(H13A,H13B,H13C), C36(H36A,
 H36B,H36C), C12(H12A,H12B,H12C), C38(H38A,H38B,H38C), C19(H19A,H19B,H19C),
 C37(H37A,H37B,H37C)
;
_shelx_res_checksum              92609
_shelx_hkl_checksum              48876
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_full_max 1.715
_oxdiff_exptl_absorpt_empirical_full_min 0.664