Rhodium(iii)-catalysed cascade [3 + 2] annulation of N-aryloxyacetamides with 3-(hetero)arylpropiolic acids: synthesis of benzofuran-2(3H)-ones.
Pan, Jin-Long; Liu, Tuan-Qing; Chen, Chao; Li, Quan-Zhe; Jiang, Wei; Ding, Tong-Mei; Yan, Zhi-Qiang; Zhu, Guo-Dong; Organic & biomolecular chemistry 17 (2019) 8589–8600; doi:10.1039/c9ob01553a

data_7157056
_publ_section_title
;
 Rhodium(iii)-catalysed cascade [3 + 2] annulation of N-aryloxyacetamides
 with 3-(hetero)arylpropiolic acids: synthesis of benzofuran-2(3H)-ones.
;
_journal_issue                   37
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8589
_journal_page_last               8600
_journal_paper_doi               10.1039/c9ob01553a
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C15 H11 N O2'
_chemical_formula_sum            'C15 H11 N O2'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-05-24 deposited with the CCDC.    2019-08-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
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_exptl_absorpt_coefficient_mu    0.746
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_exptl_crystal_description       block
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_exptl_crystal_size_min          0.170
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_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'
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_refine_ls_restrained_S_all      0.678
_refine_ls_R_factor_all          0.0338
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_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0702P)^2^+1.8990P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0836
_refine_ls_wR_factor_ref         0.0872
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3873
_reflns_number_total             4198
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob01553a2.cif
_cod_data_source_block           t_a
_cod_depositor_comments          'Adding full bibliography for 7157056.cif.'
_cod_original_cell_volume        2292.6(6)
_cod_database_code               7157056
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.853
_shelx_estimated_absorpt_t_max   0.884
_shelx_res_checksum              34838