Convenient construction of dibenzo[b,d]furanes and 2,6-diaryl-4-(2-hydroxyphenyl)pyridines via domino reaction of pyridinium ylides with 2-aryl-3-nitrochromenes
Sun, Jing; Jiang, Wang; Yan, Chao-Guo; Organic Chemistry Frontiers 6 (2019) 1428–; doi:10.1039/C9QO00079H

data_1554730
_publ_section_title
;
 Convenient construction of dibenzo[b,d]furanes and
 2,6-diaryl-4-(2-hydroxyphenyl)pyridines via domino reaction of pyridinium
 ylides with 2-aryl-3-nitrochromenes
;
_journal_issue                   9
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              1428
_journal_paper_doi               10.1039/C9QO00079H
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C34 H25 Cl O2'
_chemical_formula_sum            'C34 H25 Cl O2'
_chemical_formula_weight         500.99
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2019-01-17 deposited with the CCDC.	2019-03-05 downloaded from the CCDC.
;
_cell_angle_alpha                95.307(3)
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_cell_angle_gamma                101.212(2)
_cell_formula_units_Z            6
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_cell_measurement_reflns_used    9938
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.29
_cell_measurement_theta_min      2.21
_cell_volume                     3920.6(6)
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_Laue_measured_fraction_full 0.993
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_diffrn_reflns_point_group_measured_fraction_full 0.993
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         0.958
_exptl_absorpt_coefficient_mu    0.176
_exptl_absorpt_correction_T_max  0.965
_exptl_absorpt_correction_T_min  0.955
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
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_exptl_crystal_description       block
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_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.498
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_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1009
_refine_ls_number_reflns         15312
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.1596
_refine_ls_R_factor_gt           0.0874
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0995P)^2^+7.2812P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2316
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_reflns_Friedel_coverage         0.000
_reflns_number_gt                8475
_reflns_number_total             15312
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_database_code               1554730
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.956
_shelx_estimated_absorpt_t_max   0.966
_shelx_res_checksum              87961
_shelx_hkl_checksum              59799