Spiro-condensation of 5-methoxycarbonyl-1H-pyrrole-2,3-diones with cyclic enoles to form spiro substituted furo[3,2-c]-coumarins and quinolines
Dubovtsev, Alexey Yu.; Silaichev, Pavel S.; Nazarov, Mikhail A.; Dmitriev, Maksim V.; Maslivets, Andrey N.; Rubin, Michael; RSC Adv. 6 (2016) 84730–; doi:10.1039/C6RA16889B

data_7226485
_publ_section_title
;
 Spiro-condensation of 5-methoxycarbonyl-1H-pyrrole-2,3-diones with cyclic
 enoles to form spiro substituted furo[3,2-c]-coumarins and quinolines
;
_journal_issue                   88
_journal_name_full               'RSC Adv.'
_journal_page_first              84730
_journal_paper_doi               10.1039/C6RA16889B
_journal_volume                  6
_journal_year                    2016
_chemical_formula_moiety         'C28 H17 N O8'
_chemical_formula_sum            'C28 H17 N O8'
_chemical_formula_weight         495.43
_chemical_melting_point          524-524
_chemical_name_systematic
4'-Hydroxy-3'-(4-methoxybenzoyl)-1'-phenyl-2H,4H-spiro-[furo[3,2-c]chromene-3,2'-pyrrole]-2,4,5'(1'H)-trione
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-06-18 deposited with the CCDC.
2016-09-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.962(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2673(11)
_cell_length_b                   18.169(3)
_cell_length_c                   14.955(2)
_cell_measurement_reflns_used    4182
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      28.1780
_cell_measurement_theta_min      3.5380
_cell_volume                     2245.1(6)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.880
_diffrn_measurement_device_type  'New Xcalibur, Ruby'
_diffrn_measurement_method       'w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0339
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12016
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.05
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.61681
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.466
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1024
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     339
_refine_ls_number_reflns         5271
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0658
_refine_ls_R_factor_gt           0.0480
_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^)+(0.0682P)^2^+0.2734P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1208
_refine_ls_wR_factor_ref         0.1333
_reflns_number_gt                4053
_reflns_number_total             5271
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c6ra16889b2.cif
_cod_data_source_block           psu-179-da-126
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7226485