Ring-opening hydrolysis of spiro-epoxyoxindoles using a reusable sulfonic acid functionalized nitrogen rich carbon catalyst
Patel, Parth; Tak, Raj Kumar; Parmar, Bhavesh; Dabas, Shilpa; Patel, Brijesh; Suresh, Eringathodi; Khan, Noor-ul H.; Subramanian, Saravanan; RSC Advances 11 (2021) 12808–12814; doi:10.1039/D1RA01161H

data_7242586
_publ_section_title
;
 Ring-opening hydrolysis of spiro-epoxyoxindoles using a reusable sulfonic
 acid functionalized nitrogen rich carbon catalyst
;
_journal_issue                   21
_journal_name_full               'RSC Advances'
_journal_page_first              12808
_journal_page_last               12814
_journal_paper_doi               10.1039/D1RA01161H
_journal_volume                  11
_journal_year                    2021
_chemical_formula_sum            'C12 H13 N O3'
_chemical_formula_weight         219.23
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_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_creation_method           SHELXL-97
_audit_update_record
;
2019-10-24 deposited with the CCDC.	2021-03-15 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                   5.8505(12)
_cell_length_b                   11.594(2)
_cell_length_c                   16.205(3)
_cell_measurement_reflns_used    1264
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.35
_cell_measurement_theta_min      2.51
_cell_volume                     1099.2(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0688
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5494
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9962
_exptl_absorpt_correction_T_min  0.9691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.325
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATES
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.356
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.230
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         1934
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.230
_refine_ls_R_factor_all          0.0888
_refine_ls_R_factor_gt           0.0767
_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^)+(0.0303P)^2^+1.2669P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1348
_refine_ls_wR_factor_ref         0.1387
_reflns_number_gt                1688
_reflns_number_total             1934
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1ra01161h2.cif
_cod_data_source_block           2C
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'ORTHORHOMBIC' was changed
to 'orthorhombic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7242586