The carbene transfer to strong Lewis acids: copper is better than silver.
Mikhaylov, Vladimir N.; Kazakov, Igor V.; Parfeniuk, Tatiana N.; Khoroshilova, Olesya V.; Scheer, Manfred; Timoshkin, Alexey Y.; Balova, Irina A.; Dalton transactions (Cambridge, England : 2003) 50 (2021) 2872–2879; doi:10.1039/d1dt00235j

data_7706540
_publ_section_title
;
 The carbene transfer to strong Lewis acids: copper is better than silver.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2872
_journal_page_last               2879
_journal_paper_doi               10.1039/d1dt00235j
_journal_volume                  50
_journal_year                    2021
_chemical_formula_moiety         'C27 H36 Al Cl3 N2'
_chemical_formula_sum            'C27 H36 Al Cl3 N2'
_chemical_formula_weight         521.91
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-01-15
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_audit_update_record
;
2021-01-15 deposited with the CCDC.	2021-02-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.2615(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.49269(12)
_cell_length_b                   19.41043(12)
_cell_length_c                   19.28026(14)
_cell_measurement_reflns_used    26123
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.7820
_cell_measurement_theta_min      2.3040
_cell_volume                     5712.15(8)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_type            HyPix3000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w   -105.00 -33.00   0.50    0.20    --  -38.82 -37.00 -36.00  144
  2  \w    -53.00 -28.00   0.50    0.20    --  -38.82  37.00 119.00   50
  3  \w     25.00 104.00   0.50    0.20    --   38.82  37.00 119.00  158
  4  \w     -4.00  39.00   0.50    0.20    --   38.82 -37.00 -36.00   86
  5  \w    100.00 125.00   0.50    0.62    --  107.00  37.00 119.00   50
  6  \w     41.00 122.00   0.50    0.62    --  107.00 -37.00 -36.00  162
  7  \w    -60.00 -14.00   0.50    0.20    --  -38.82  65.00  60.00   92
  8  \w    -51.00 -26.00   0.50    0.20    --  -38.82 -54.00 -60.00   50
  9  \w   -103.00 -57.00   0.50    0.20    --  -38.82 -54.00 -60.00   92
 10  \w    -56.00 -18.00   0.50    0.20    --  -38.82 -77.00-180.00   76
 11  \w    -17.00  23.00   0.50    0.20    --  -38.82  65.00 -90.00   80
 12  \w    -62.00 -26.00   0.50    0.20    --  -38.82  65.00 -90.00   72
 13  \w   -105.00 -31.00   0.50    0.20    --  -38.82 -77.00  90.00  148
 14  \w    -98.00 -73.00   0.50    0.20    --  -38.82 -77.00-180.00   50
 15  \w    -59.00  23.00   0.50    0.20    --  -38.82  54.00-120.00  164
 16  \w     -4.00  21.00   0.50    0.20    --  -38.82  37.00 119.00   50
 17  \w     -1.00  24.00   0.50    0.20    --  -38.82  65.00  60.00   50
 18  \w     20.00  51.00   0.50    0.20    --   38.82 -32.00  90.00   62
 19  \w    -21.00   5.00   0.50    0.20    --   38.82 -32.00  90.00   52
 20  \w     19.00  90.00   0.50    0.20    --   38.82  21.00 -90.00  142
 21  \w     46.00  96.00   0.50    0.20    --   38.82-138.00-150.00  100
 22  \w     93.00 157.00   0.50    0.62    --  107.00  30.00  90.00  128
 23  \w     92.00 157.00   0.50    0.62    --  107.00  37.00  30.00  130
 24  \w    121.00 156.00   0.50    0.62    --  107.00 111.00  60.00   70
 25  \w     57.00 110.00   0.50    0.62    --  107.00-111.00  30.00  106
 26  \w     98.00 124.00   0.50    0.62    --  107.00 -53.00-120.00   52
 27  \w     46.00  72.00   0.50    0.62    --  107.00 -53.00-120.00   52
 28  \w     42.00 127.00   0.50    0.62    --  107.00 -61.00 150.00  170
 29  \w     58.00 108.00   0.50    0.62    --  107.00 -93.00-180.00  100
 30  \w     65.00 131.00   0.50    0.62    --  107.00 -69.00   0.00  132
 31  \w     40.00 122.00   0.50    0.62    --  107.00 -22.00-180.00  164
 32  \w     42.00 117.00   0.50    0.62    --  107.00 -45.00 150.00  150
 33  \w     91.00 152.00   0.50    0.62    --  107.00  45.00 120.00  122
 34  \w     94.00 131.00   0.50    0.62    --  107.00  30.00   0.00   74
 35  \w    104.00 129.00   0.50    0.62    --  107.00 -77.00 -60.00   50
 36  \w     43.00  68.00   0.50    0.62    --  107.00 -77.00 -60.00   50
 37  \w    106.00 142.00   0.50    0.62    --  107.00  53.00 150.00   72
 38  \w     56.00  95.00   0.50    0.62    --  107.00 -93.00 -30.00   78
 39  \w     13.00  45.00   0.50    0.20    --   38.82  77.00-150.00   64
 40  \w     -8.00  18.00   0.50    0.20    --  -38.82  77.00  30.00   52
 41  \w    -49.00 -23.00   0.50    0.20    --  -38.82 -43.00-180.00   52
 42  \w    -51.00 -25.00   0.50    0.20    --  -38.82  32.00-150.00   52
 43  \w     -4.00  22.00   0.50    0.20    --  -38.82  32.00-150.00   52
 44  \w    -64.00 -39.00   0.50    0.20    --  -38.82  77.00  30.00   50
 45  \w     73.00  99.00   0.50    0.20    --   38.82  77.00 -60.00   52
 46  \w     56.00 105.00   0.50    0.20    --   38.82  77.00-180.00   98
 47  \w     34.00  60.00   0.50    0.20    --   38.82  77.00 -60.00   52
 48  \w     34.00  88.00   0.50    0.20    --   38.82  43.00 -90.00  108
 49  \w     19.00  51.00   0.50    0.20    --   38.82  54.00 -30.00   64
 50  \w     24.00  49.00   0.50    0.20    --   38.82  43.00   0.00   50
 51  \w     14.00  64.00   0.50    0.20    --   38.82  77.00-120.00  100
 52  \w     35.00  61.00   0.50    0.20    --   38.82  54.00 -60.00   52
 53  \w     82.00 107.00   0.50    0.62    --  107.00  73.00-161.36   50
 54  \w     61.00 119.00   0.50    0.62    --  107.00 -37.00-120.00  116
 55  \w    116.00 155.00   0.50    0.62    --  107.00  77.00-180.00   78
 56  \w     80.00 138.00   0.50    0.62    --  107.00  77.00-120.00  116
 57  \w     85.00 111.00   0.50    0.62    --  107.00  61.00 150.00   52
 58  \w     80.00 111.00   0.50    0.62    --  107.00  77.00-180.00   62
 59  \w    114.00 157.00   0.50    0.62    --  107.00  71.00 159.16   86
 60  \w    132.00 147.50   0.50    0.62    --  107.00  54.00-119.23   31
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type
'SuperNova, Single source at offset/far, HyPix3000'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_unetI/netI     0.0303
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            46322
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         73.848
_diffrn_reflns_theta_min         2.895
_exptl_absorpt_coefficient_mu    3.324
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.62003
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46e (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_description       prism
_exptl_crystal_F_000             2208
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.348
_refine_diff_density_min         -0.371
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     611
_refine_ls_number_reflns         11506
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0385
_refine_ls_R_factor_gt           0.0342
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0432P)^2^+2.9241P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0915
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10267
_reflns_number_total             11506
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt00235j2.cif
_cod_data_source_block           kaz_iprcucl_alcl3_colorless_prizm
_cod_depositor_comments
'Adding full bibliography for 7706540--7706543.cif.'
_cod_original_cell_volume        5712.14(8)
_cod_database_code               7706540
_shelx_shelxl_version_number     2014/7
_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:
 C10A(H10A), C10(H10), C25A(H25A), C25(H25), C13A(H13A), C13(H13), C22(H22),
 C22A(H22A)
2.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C6A(H6A), C7(H7), C20(H20), C8A(H8A), C2A(H2A), C3A(H3A), C20A(H20A),
 C18A(H18A), C3(H3), C8(H8), C7A(H7A), C2(H2), C19(H19), C18(H18), C19A(H19A)
2.c Idealised Me refined as rotating group:
 C11(H11D,H11E,H11F), C15A(H15A,H15B,H15C), C27(H27D,H27E,H27F), C23A(H23A,
 H23B,H23C), C26A(H26A,H26B,H26C), C27A(H27A,H27B,H27C), C26(H26D,H26E,H26F),
 C14A(H14A,H14B,H14C), C23(H23D,H23E,H23F), C24(H24D,H24E,H24F), C12A(H12A,H12B,
 H12C), C24A(H24A,H24B,H24C), C14(H14D,H14E,H14F), C12(H12D,H12E,H12F),
 C15(H15D,H15E,H15F), C11A(H11A,H11B,H11C)
;
_shelx_res_checksum              58151
_shelx_hkl_checksum              13283
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;