Copper-Catalyzed Regioselective Synthesis of Multisubstituted Furans by Coupling between Ketones and Aromatic Olefins.
Dey, Amrita; Ali, Md Ashif; Jana, Sourav; Hajra, Alakananda; The Journal of organic chemistry 82 (2017) 4812–4818; doi:10.1021/acs.joc.7b00476

data_4037484
_publ_section_title
;
 Copper-Catalyzed Regioselective Synthesis of Multisubstituted Furans by
 Coupling between Ketones and Aromatic Olefins.
;
_journal_issue                   9
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4812
_journal_page_last               4818
_journal_paper_doi               10.1021/acs.joc.7b00476
_journal_volume                  82
_journal_year                    2017
_chemical_formula_sum            'C24 H21 O'
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_cell_measurement_theta_max      40
_cell_measurement_theta_min      22
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_diffrn_reflns_av_R_equivalents  0.1222
_diffrn_reflns_av_unetI/netI     0.1284
_diffrn_reflns_Laue_measured_fraction_full 0.982
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_diffrn_reflns_limit_l_min       -40
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_diffrn_reflns_point_group_measured_fraction_full 0.975
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_exptl_crystal_description       vbchem208aa_a
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_refine_diff_density_max         0.348
_refine_diff_density_min         -0.445
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_refine_ls_abs_structure_details
;
 Flack x determined using 3153 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -2.0(10)
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         17218
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_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.7445P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_Friedel_fraction_full    0.968
_reflns_Friedel_fraction_max     0.930
_reflns_number_gt                10623
_reflns_number_total             17218
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b00476_si_002.cif
_cod_data_source_block           vbchem208aa_a
_cod_original_cell_volume        1768.5(10)
_cod_database_code               4037484
_shelx_shelxl_version_number     2014/7
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