Synthesis of indolo- and pyrrolo[1,2-a]quinoxalinones through a palladium-catalyzed oxidative carbonylation of the C<sub>2</sub> position of indole.
Chandrasekhar, Attoor; Sankararaman, Sethuraman; Organic & biomolecular chemistry 18 (2020) 1612–1622; doi:10.1039/c9ob02703c

data_7157341
_publ_section_title
;
 Synthesis of indolo- and pyrrolo[1,2-a]quinoxalinones through a
 palladium-catalyzed oxidative carbonylation of the C<sub>2</sub> position
 of indole.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1612
_journal_page_last               1622
_journal_paper_doi               10.1039/c9ob02703c
_journal_volume                  18
_journal_year                    2020
_chemical_formula_moiety         'C13 H12 N2 O'
_chemical_formula_sum            'C13 H12 N2 O'
_chemical_formula_weight         212.25
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_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-12-14 deposited with the CCDC.	2020-02-03 downloaded from the CCDC.
;
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_computing_cell_refinement       'APEX3/SAINT (Bruker, 2016)'
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'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
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_diffrn_measurement_device_type  'Bruker axs kappa apex3 CMOS Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_diffrn_radiation_monochromator  graphite
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_exptl_crystal_size_max          0.200
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_refine_ls_extinction_coef       0.27(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.092
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_refine_ls_R_factor_all          0.0738
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_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0945P)^2^+0.1763P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1624
_refine_ls_wR_factor_ref         0.1800
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1651
_reflns_number_total             1967
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob02703c2.cif
_cod_data_source_block           ACS1461
_cod_depositor_comments
'Adding full bibliography for 7157339--7157341.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7157341
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.983
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              70903