A one-pot domino C-H, C-C activation in coumarins: a fast track to 2,3-diaryl benzo[b]furans.
Khoobi, Mehdi; Molaverdi, Fatemeh; Jafarpour, Farnaz; Abbasnia, Masoumeh; Kubicki, Maciej; Shafiee, Abbas; Chemical communications (Cambridge, England) 51 (2015) 11713–11716; doi:10.1039/c5cc01427a

data_7117446
_publ_section_title
;
 A one-pot domino C-H, C-C activation in coumarins: a fast track to
 2,3-diaryl benzo[b]furans.
;
_journal_issue                   58
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              11713
_journal_page_last               11716
_journal_paper_doi               10.1039/c5cc01427a
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C22 H18 O3'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_audit_update_record
;
2014-11-23 deposited with the CCDC.
2015-06-03 downloaded from the CCDC.
;
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_exptl_absorpt_correction_T_max  1.00000
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;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
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_exptl_crystal_description       plate
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_refine_diff_density_max         0.293
_refine_diff_density_min         -0.222
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refall
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_refine_ls_number_reflns         3818
_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.0388
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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^)+(0.0434P)^2^+0.6811P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0876
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                3500
_reflns_number_total             3818
_reflns_threshold_expression     'I > 2\s(I)'
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_shelxl_version_number           2013-4
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