Palladium-catalyzed dearomative arylalkynylation of indoles.
Liu, Ren-Rong; Xu, Teng-Fei; Wang, Yong-Gang; Xiang, Bin; Gao, Jian-Rong; Jia, Yi-Xia; Chemical communications (Cambridge, England) 52 (2016) 13664–13667; doi:10.1039/c6cc06262h

data_7125035
_publ_section_title
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 Palladium-catalyzed dearomative arylalkynylation of indoles.
;
_journal_issue                   94
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              13664
_journal_page_last               13667
_journal_paper_doi               10.1039/c6cc06262h
_journal_volume                  52
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C24 H17 N O'
_chemical_formula_sum            'C24 H17 N O'
_chemical_formula_weight         335.39
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-11-06
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_audit_update_record
;
2016-07-28 deposited with the CCDC.
2016-09-29 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.3015(18)
_cell_length_b                   12.1976(10)
_cell_length_c                   9.6252(8)
_cell_measurement_reflns_used    1104
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.5288
_cell_measurement_theta_min      3.0006
_cell_volume                     1796.5(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293.15
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0210597000
_diffrn_orient_matrix_UB_12      0.0320328000
_diffrn_orient_matrix_UB_13      0.0515564000
_diffrn_orient_matrix_UB_21      0.0388332000
_diffrn_orient_matrix_UB_22      -0.0308972000
_diffrn_orient_matrix_UB_23      -0.0092163000
_diffrn_orient_matrix_UB_31      0.0140527000
_diffrn_orient_matrix_UB_32      0.0374296000
_diffrn_orient_matrix_UB_33      -0.0518323000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0357
_diffrn_reflns_av_unetI/netI     0.0352
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5078
_diffrn_reflns_theta_full        25.33
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         3.01
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
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    1.240
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.118
_refine_diff_density_min         -0.141
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         1750
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0376
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0399P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0824
_reflns_number_gt                1347
_reflns_number_total             1750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc06262h2.cif
_cod_data_source_block           151105_zbb_3
_cod_database_code               7125035
_chemical_oxdiff_formula         'c10 h10 n2 o8'
_reflns_odcompleteness_completeness 99.58
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_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:
 C9(H9)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C12(H12), C13(H13), C14(H14), C15(H15),
 C20(H20), C21(H21), C22(H22), C23(H23), C24(H24)
2.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C)
;