Palladium-catalysed decarboxylative nitrile insertion via C-H activation or self-coupling of indole-2-carboxylic acids: a new route to indolocarbolines and triindoles
R. N. Prasad Tulichala; K. C. Kumara Swamy; Chem.Commun. 51 (2015) 12008–; doi:10.1039/C5cc03160e

data_7117511
_publ_section_title
;
 Palladium-catalysed decarboxylative nitrile insertion via C-H activation
 or self-coupling of indole-2-carboxylic acids: a new route to
 indolocarbolines and triindoles
;
_journal_name_full               Chem.Commun.
_journal_page_first              12008
_journal_paper_doi               10.1039/C5cc03160e
_journal_volume                  51
_journal_year                    2015
_chemical_formula_sum            'C48 H39 N3 O3 S0'
_chemical_formula_weight         705.82
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-10-16 deposited with the CCDC.
2015-06-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.420(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.8372(17)
_cell_length_b                   26.503(3)
_cell_length_c                   18.224(2)
_cell_measurement_reflns_used    2557
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.6530
_cell_measurement_theta_min      2.8400
_cell_volume                     7121.3(14)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  multi-scan
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0358
_diffrn_reflns_av_sigmaI/netI    0.0591
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13371
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91782
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2976
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.152
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     490
_refine_ls_number_reflns         6266
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0996
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0462P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1239
_reflns_number_gt                3882
_reflns_number_total             6266
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc03160e2-1.cif
_cod_data_source_block           compound-34
_cod_original_cell_volume        7121.3(15)
_cod_database_code               7117511