Synthesis of indeno and acenaphtho core containing dihydroxy indolone, pyrrole, coumarin and uracil fused heterocyclic motifs under sustainable condition exploring the catalytic role of SnO2 quantum dot
Das, Asish R.; Pradhan, Koyel; Paul, Sanjay; RSC Adv.  (2015) –; doi:10.1039/C4RA12618A

data_7219228
_publ_section_title
;
 Synthesis of indeno and acenaphtho core containing dihydroxy indolone,
 pyrrole, coumarin and uracil fused heterocyclic motifs under sustainable
 condition exploring the catalytic role of SnO2 quantum dot
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA12618A
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_formula_sum            'C20 H21 N O4'
_chemical_formula_weight         339.38
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc138p13
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-24 deposited with the CCDC.
2015-01-05 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.4783(14)
_cell_length_b                   13.296(2)
_cell_length_c                   15.679(3)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.13
_cell_measurement_theta_min      2.01
_cell_volume                     1767.5(5)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'Bruker SHELXTL (Sheldrick,2008)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Apex 2 CCD'
_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  0.0380
_diffrn_reflns_av_unetI/netI     0.0317
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12338
_diffrn_reflns_theta_full        25.13
_diffrn_reflns_theta_max         25.13
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9738
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.226
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(13)
_refine_ls_extinction_coef       0.020(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.784
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3146
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.784
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0384
_refine_ls_shift/su_max          0.036
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1014P)^2^+0.4056P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1114
_refine_ls_wR_factor_ref         0.1208
_reflns_number_gt                2746
_reflns_number_total             3146
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra12618a2.cif
_cod_data_source_block           ard_kp_cpan5_0m
_cod_database_code               7219228