Copper-Catalyzed Alkynylation/Cyclization/Isomerization Cascade for Synthesis of 1,2-Dihydrobenzofuro[3,2-b]pyridines and Benzofuro[3,2-b]pyridines.
Xie, Huan-Ping; Sun, Lei; Wu, Bo; Zhou, Yong-Gui; The Journal of organic chemistry  (2019) –; doi:10.1021/acs.joc.9b02512

data_4036095
_publ_section_title
;
 Copper-Catalyzed Alkynylation/Cyclization/Isomerization Cascade for
 Synthesis of 1,2-Dihydrobenzofuro[3,2-b]pyridines and
 Benzofuro[3,2-b]pyridines.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.9b02512
_journal_year                    2019
_chemical_formula_sum            'C30 H23 N O3 S'
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_cell_measurement_theta_min      5.158
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_exptl_crystal_F_000             1000
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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
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0593P)^2^+0.5264P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           mo_d8v19352_0m
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4036095
_shelx_estimated_absorpt_t_min   0.967
_shelx_estimated_absorpt_t_max   0.977
_shelxl_version_number           2013-4
_shelx_res_checksum              42961
_shelx_hkl_checksum              82326