Synthesis and anticancer activity of bis(2-arylimidazo[1,2-a]pyridin-3-yl) selenides and diselenides: the copper-catalyzed tandem C–H selenation of 2-arylimidazo[1,2-a]pyridine with selenium
Matsumura, Mio; Takahashi, Tsutomu; Yamauchi, Hikari; Sakuma, Shunsuke; Hayashi, Yukako; Hyodo, Tadashi; Obata, Tohru; Yamaguchi, Kentaro; Fujiwara, Yasuyuki; Yasuike, Shuji; Beilstein Journal of Organic Chemistry 16 (2020) 1075–1083; doi:10.3762/bjoc.16.94

data_4038400
_publ_section_title
;
 Synthesis and anticancer activity of
 bis(2-arylimidazo[1,2-a]pyridin-3-yl) selenides and diselenides: the
 copper-catalyzed tandem C--H selenation of 2-arylimidazo[1,2-a]pyridine
 with selenium
;
_journal_name_full               'Beilstein Journal of Organic Chemistry'
_journal_page_first              1075
_journal_page_last               1083
_journal_paper_doi               10.3762/bjoc.16.94
_journal_volume                  16
_journal_year                    2020
_chemical_formula_sum            'C26 H18 N4 Se2'
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_space_group_name_Hall           '-P 1'
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_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                109.173(3)
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_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
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_diffrn_reflns_point_group_measured_fraction_full 0.946
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_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            red
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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^)+(0.0822P)^2^+38.8890P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.2592
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_reflns_number_gt                3349
_reflns_number_total             3708
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1860-5397-16-94-S2.cif
_cod_data_source_block           p_1
_cod_depositor_comments
'Adding full bibliography for 4038400--4038401.cif.'
_cod_original_cell_volume        1057.2(6)
_cod_database_code               4038400
_shelx_shelxl_version_number     2014/7
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_shelx_estimated_absorpt_t_max   0.617
_shelx_res_checksum              62884
_shelx_hkl_checksum              84547