Construction of Highly Enantioselective Spiro-oxindole Derivatives with Fused Chromene via Organocascade Catalysis
Kumari, Prathibha; Nandi, Sekhar; Kumar, Gaurav; Khan, Noor-ul Hasan; Kureshy, Rukhsana Ilyas; Abdi, Sayed H. R.; Eringathodi, Suresh; Bajaj, Hari Chand; RSC Adv.  (2016) –; doi:10.1039/C6RA06812J

data_7225341
_publ_section_title
;
 Construction of Highly Enantioselective Spiro-oxindole Derivatives with
 Fused Chromene via Organocascade Catalysis
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA06812J
_journal_year                    2016
_chemical_formula_sum            'C31 H26 N2 O5'
_chemical_formula_weight         506.54
_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_creation_method           SHELXL-97
_audit_update_record
;
2015-11-03 deposited with the CCDC.
2016-05-10 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                   9.1140(16)
_cell_length_b                   13.231(2)
_cell_length_c                   22.242(4)
_cell_measurement_reflns_used    2700
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.44
_cell_measurement_theta_min      2.39
_cell_volume                     2682.1(8)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'BRUKER SMART APEX CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA-PHI 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  0.0614
_diffrn_reflns_av_sigmaI/netI    0.0787
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13431
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9966
_exptl_absorpt_correction_T_min  0.9906
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            COLOURLESS
_exptl_crystal_density_diffrn    1.254
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATES
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.200
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.9(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.220
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         4715
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.220
_refine_ls_R_factor_all          0.0987
_refine_ls_R_factor_gt           0.0803
_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^)+(0.0508P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1418
_reflns_number_gt                3936
_reflns_number_total             4715
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra06812j2.cif
_cod_data_source_block           4meom
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'ORTHORHOMBIC' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7225341