Reactions of 3-acylchromones with dimethyl 1,3-acetonedicarboxylate and 1,3-diphenylacetone: one-pot synthesis of functionalized 2-hydroxybenzophenones, 6H-benzo[c]chromenes and benzo[c]coumarins.
Iaroshenko, Viktor O.; Savych, Iryna; Villinger, Alexander; Sosnovskikh, Vyacheslav Ya; Langer, Peter; Organic & biomolecular chemistry 10 (2012) 9344–9348; doi:10.1039/c2ob07020k

data_7152618
_publ_section_title
;
 Reactions of 3-acylchromones with dimethyl 1,3-acetonedicarboxylate and
 1,3-diphenylacetone: one-pot synthesis of functionalized
 2-hydroxybenzophenones, 6H-benzo[c]chromenes and benzo[c]coumarins.
;
_journal_issue                   47
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              9344
_journal_page_last               9348
_journal_paper_doi               10.1039/c2ob07020k
_journal_volume                  10
_journal_year                    2012
_chemical_formula_moiety         'C23 H17 F O7'
_chemical_formula_sum            'C23 H17 F O7'
_chemical_formula_weight         424.37
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.1320(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   22.8935(6)
_cell_length_b                   8.2045(2)
_cell_length_c                   21.6152(5)
_cell_measurement_reflns_used    4825
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      60.999
_cell_measurement_theta_min      5.280
_cell_volume                     4019.15(17)
_computing_cell_refinement       'Bruker Apex V7.51A'
_computing_data_collection       'Bruker Apex V7.51A'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3v2.01 (Farrugia, 1997)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius Apex X8-CCD-diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0347
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            21758
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         2.64
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.9923
_exptl_absorpt_correction_T_min  0.9708
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1760
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.891
_refine_diff_density_min         -0.439
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         5845
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0772
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0678P)^2^+1.1247P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1353
_reflns_number_gt                4104
_reflns_number_total             5845
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2ob07020k.txt
_cod_data_source_block           is_is93
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7152618