Synthesis of Benzo[1,4]heterocycles using Palladium Catalyzed Heck Reaction to Vinylogous Carbonates/Carbamates: Unexpected Formation of Indoles via Carbopalladation Intercepted by Nucleopalladation.
Gharpure, Santosh J.; Anuradha, Dandela; Organic letters 19 (2017) 6136–6139; doi:10.1021/acs.orglett.7b03016

data_1547830
_publ_section_title
;
 Synthesis of Benzo[1,4]heterocycles using Palladium Catalyzed Heck
 Reaction to Vinylogous Carbonates/Carbamates: Unexpected Formation of
 Indoles via Carbopalladation Intercepted by Nucleopalladation.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              6136
_journal_page_last               6139
_journal_paper_doi               10.1021/acs.orglett.7b03016
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C16 H18 O4'
_chemical_formula_sum            'C16 H18 O4'
_chemical_formula_weight         274.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 92.161(16)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   11.1174(10)
_cell_length_b                   8.648(7)
_cell_length_c                   14.313(13)
_cell_measurement_reflns_used    3570
_cell_measurement_temperature    100
_cell_measurement_theta_max      29.20
_cell_measurement_theta_min      3.30
_cell_volume                     1375.1(17)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b28'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b28 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b28'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.1798
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            19700
_diffrn_reflns_theta_full        29.19
_diffrn_reflns_theta_max         29.19
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.984
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             584.00
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.470
_refine_diff_density_min         -0.370
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.981
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3705
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0841
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1098P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.2447
_reflns_number_gt                2179
_reflns_number_total             3708
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            sjg-anu-2.cif
_cod_data_source_block           SJG-ANU-4-25
_cod_depositor_comments
'Adding full bibliography for 1547825--1547834.cif.'
_cod_database_code               1547830