A novel synthesis of tetra and pentacyclic quinolinopyran tethered pyrazole/coumarin scaffolds via a solid state melt reaction
Bakthadoss, Manickam; Kannan, Damodharan; RSC Advances 4 (2014) 11723–; doi:10.1039/c3ra46894a

data_7235294
_publ_section_title
;
 A novel synthesis of tetra and pentacyclic quinolinopyran tethered
 pyrazole/coumarin scaffolds via a solid state melt reaction
;
_journal_issue                   23
_journal_name_full               'RSC Advances'
_journal_page_first              11723
_journal_paper_doi               10.1039/c3ra46894a
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C34 H26 Br N O7 S'
_chemical_formula_weight         672.53
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_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                 115.976(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.633(3)
_cell_length_b                   9.3215(7)
_cell_length_c                   24.590(2)
_cell_measurement_reflns_used    5407
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.09
_cell_measurement_theta_min      2.36
_cell_volume                     5900.1(9)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Macrae et al., 2008)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'bruker axs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0471
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            23505
_diffrn_reflns_theta_full        24.45
_diffrn_reflns_theta_max         24.45
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    1.517
_exptl_absorpt_correction_T_max  0.7030
_exptl_absorpt_correction_T_min  0.6188
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.514
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2752
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.020
_refine_diff_density_min         -0.951
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     411
_refine_ls_number_reflns         4888
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0502
_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^)+(0.0905P)^2^+14.1990P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1432
_refine_ls_wR_factor_ref         0.1746
_reflns_number_gt                3331
_reflns_number_total             4888
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra46894a3.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7235294