A hybrid silylene-Pd catalyst: efficient C-N cross-coupling of sterically bulky amines and chiral amines.
Kaulage, Sandeep H.; Parvin, Nasrina; Khopade, Kishor V.; Khan, Shabana; Chemical communications (Cambridge, England) 60 (2024) 9958–9961; doi:10.1039/d4cc03108c

data_7133518
_publ_section_title
;
 A hybrid silylene-Pd catalyst: efficient C-N cross-coupling of sterically
 bulky amines and chiral amines.
;
_journal_issue                   73
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              9958
_journal_page_last               9961
_journal_paper_doi               10.1039/d4cc03108c
_journal_volume                  60
_journal_year                    2024
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H25 N'
_chemical_formula_sum            'C19 H25 N'
_chemical_formula_weight         267.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2024-08-08
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2024-08-08 deposited with the CCDC.	2024-08-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 101.376(6)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   23.428(3)
_cell_length_b                   5.9565(8)
_cell_length_c                   23.648(3)
_cell_measurement_reflns_used    9566
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      74.81
_cell_measurement_theta_min      3.81
_cell_volume                     3235.2(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.985
_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  0.0854
_diffrn_reflns_av_unetI/netI     0.0379
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            61573
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         75.655
_diffrn_reflns_theta_min         1.906
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.469
_exptl_absorpt_correction_T_max  0.7053
_exptl_absorpt_correction_T_min  0.6414
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1364 before and 0.1040 after correction.
The Ratio of minimum to maximum transmission is 0.9094.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.098
_exptl_crystal_description       PLATES
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.315
_exptl_crystal_size_mid          0.219
_exptl_crystal_size_min          0.169
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.135
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details
;
 Flack x determined using 2312 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.1(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         6625
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0499
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0231P)^2^+1.8745P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0891
_reflns_Friedel_coverage         0.810
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.975
_reflns_number_gt                5733
_reflns_number_total             6625
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4cc03108c2.cif
_cod_data_source_block           5h
_cod_depositor_comments
'Adding full bibliography for 7133516--7133523.cif.'
_cod_database_code               7133518
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1.a Ternary CH refined with riding coordinates:
 C1(H1), C20(H20)
1.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C21(H21A,H21B)
1.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7), C8(H8), C9(H9), C11(H11), C12(H12), C14(H14),
 C15(H15), C24(H24), C25(H25), C26(H26), C27(H27), C28(H28), C30(H30), C31(H31),
  C33(H33), C34(H34)
1.d Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C), C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,
 H19C), C22(H22A,H22B,H22C), C36(H36A,H36B,H36C), C37(H37A,H37B,H37C), C38(H38A,
 H38B,H38C)
;
_shelx_res_checksum              30537
_shelx_hkl_checksum              71022
_olex2_submission_special_instructions 'No special instructions were received'