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_1547825
_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         'C19 H18 O4'
_chemical_formula_sum            'C19 H18 O4'
_chemical_formula_weight         310.35
_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                 106.217(8)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   10.697(5)
_cell_length_b                   9.009(4)
_cell_length_c                   16.863(9)
_cell_measurement_reflns_used    2718
_cell_measurement_temperature    100
_cell_measurement_theta_max      31.20
_cell_measurement_theta_min      2.60
_cell_volume                     1560.4(13)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b23'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b23 (Rigaku, 2012)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b23'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0391
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11397
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.795
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             656.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.220
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2749
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0365
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0646P)^2^+0.0358P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1036
_reflns_number_gt                2399
_reflns_number_total             2751
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            sjg-anu-1.cif
_cod_data_source_block           sjg-ANU-3-52
_cod_depositor_comments
'Adding full bibliography for 1547825--1547834.cif.'
_cod_database_code               1547825