Additive-Free Three-Component Synthesis of Spiro-isoxazolidine-oxindoles Employing Trifluorodiazoethane.
Gupta, Ekta; Nair, Sindoori R.; Kant, Ruchir; Mohanan, Kishor; The Journal of organic chemistry 83 (2018) 14811–14819; doi:10.1021/acs.joc.8b02504

data_4037539
_publ_section_title
;
 Additive-Free Three-Component Synthesis of Spiro-isoxazolidine-oxindoles
 Employing Trifluorodiazoethane.
;
_journal_issue                   23
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              14811
_journal_page_last               14819
_journal_paper_doi               10.1021/acs.joc.8b02504
_journal_volume                  83
_journal_year                    2018
_chemical_compound_source        'see text'
_chemical_formula_moiety         '2(C25 H20 F4 N2 O), C H4 Cl2'
_chemical_formula_sum            'C26.5 H22 F4 L N2 O'
_chemical_formula_weight         483.90
_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_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_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
_cell_angle_alpha                90
_cell_angle_beta                 90.669(15)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.146(16)
_cell_length_b                   10.517(8)
_cell_length_c                   23.277(17)
_cell_measurement_reflns_used    1539
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.4
_cell_measurement_theta_min      3.4
_cell_volume                     4687(6)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.930
_diffrn_measured_fraction_theta_max 0.930
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (4x4 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Fiber
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1065
_diffrn_reflns_av_sigmaI/netI    0.1024
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            11668
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         3.44
_diffrn_source                   MicroMax003_Mo
_diffrn_source_current           0.6
_diffrn_source_power             0.0
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.216
_exptl_absorpt_correction_T_max  0.964
_exptl_absorpt_correction_T_min  0.928
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.372
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2000
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.170
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.919
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         4011
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.919
_refine_ls_R_factor_all          0.1644
_refine_ls_R_factor_gt           0.0845
_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^)+(0.1285P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2074
_refine_ls_wR_factor_ref         0.2435
_reflns_number_gt                1760
_reflns_number_total             4011
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8b02504_si_003.cif
_cod_data_source_block           xxx
_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/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/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 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/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 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C25.50 H22 CL F4 N2 O'
_cod_database_code               4037539