Mild and Regioselective Pd(OAc)2-Catalyzed C–H Arylation of Tryptophans by [ArN2]X, Promoted by Tosic Acid
Reay, Alan J.; Hammarback, L. Anders; Bray, Joshua T. W.; Sheridan, Thomas; Turnbull, David; Whitwood, Adrian C.; Fairlamb, Ian J. S.; ACS Catalysis  (2017) 5174–; doi:10.1021/acscatal.6b03121

data_4514161
_publ_section_title
;
 Mild and Regioselective Pd(OAc)2-Catalyzed C--H Arylation of Tryptophans
 by [ArN2]X, Promoted by Tosic Acid
;
_journal_name_full               'ACS Catalysis'
_journal_page_first              5174
_journal_paper_doi               10.1021/acscatal.6b03121
_journal_year                    2017
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C20 H20 N2 O3'
_chemical_formula_sum            'C20 H20 N2 O3'
_chemical_formula_weight         336.38
_space_group_crystal_system      trigonal
_space_group_IT_number           146
_space_group_name_Hall           'R 3'
_space_group_name_H-M_alt        'R 3'
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2017-04-24
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            9
_cell_length_a                   21.2602(5)
_cell_length_b                   21.2602(5)
_cell_length_c                   10.1814(3)
_cell_measurement_reflns_used    3153
_cell_measurement_temperature    110.05(10)
_cell_measurement_theta_max      31.9520
_cell_measurement_theta_min      3.5440
_cell_volume                     3985.41(18)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      110.05(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.1450
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.900
_diffrn_measurement_details
;
  1 omega  -93.00  -15.00   1.0000   20.0000
omega____ theta____ kappa____ phi______ frames
    -      -25.0740    0.0000  150.0000 78

  2 omega    5.00   59.00   1.0000   20.0000
omega____ theta____ kappa____ phi______ frames
    -       26.4802  -99.0000   60.0000 54

  3 omega   35.00   69.00   1.0000   20.0000
omega____ theta____ kappa____ phi______ frames
    -       19.0201   77.0000  -60.0000 34

  4 omega   37.00   75.00   1.0000   20.0000
omega____ theta____ kappa____ phi______ frames
    -       19.0201   77.0000   60.0000 38
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0356613000
_diffrn_orient_matrix_UB_12      0.0297314000
_diffrn_orient_matrix_UB_13      0.0084190000
_diffrn_orient_matrix_UB_21      0.0125828000
_diffrn_orient_matrix_UB_22      -0.0134942000
_diffrn_orient_matrix_UB_23      -0.0513138000
_diffrn_orient_matrix_UB_31      -0.0073394000
_diffrn_orient_matrix_UB_32      0.0204228000
_diffrn_orient_matrix_UB_33      -0.0463462000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0191
_diffrn_reflns_av_unetI/netI     0.0367
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.900
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6369
_diffrn_reflns_point_group_measured_fraction_full 0.876
_diffrn_reflns_point_group_measured_fraction_max 0.683
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         32.005
_diffrn_reflns_theta_min         2.983
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.985
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.261
_exptl_crystal_description       block
_exptl_crystal_F_000             1602
_exptl_crystal_size_max          0.2757
_exptl_crystal_size_mid          0.1814
_exptl_crystal_size_min          0.1572
_refine_diff_density_max         0.265
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details
;
 Flack x determined using 1307 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.5(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4199
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0398P)^2^+2.4699P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.0900
_reflns_Friedel_coverage         0.518
_reflns_Friedel_fraction_full    0.752
_reflns_Friedel_fraction_max     0.466
_reflns_number_gt                3948
_reflns_number_total             4199
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs6b03121_si_002.cif
_cod_data_source_block           ijsf1413
_cod_original_cell_volume        3985.4(2)
_cod_database_code               4514161
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C2(H2)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B)
2.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C9(H9), C13(H13), C14(H14), C15(H15), C16(H16),
 C17(H17)
2.d Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C20(H20A,H20B,H20C)
;
_olex2_date_sample_data_collection 2014-02-03
_olex2_submission_special_instructions 'No special instructions were received'