Polar [3 + 2] cycloaddition of ketones with electrophilically activated carbonyl ylides. Synthesis of spirocyclic dioxolane indolinones
Bentabed-Ababsa, Ghenia; Derdour, Aicha; Roisnel, Thierry; Sáez, Jose A.; Domingo, Luis R.; Mongin, Florence; Organic & Biomolecular Chemistry 6 (2008) 3144–3157; doi:10.1039/b804856h

data_7150937
_publ_section_title
;
 Polar [3 + 2] cycloaddition of ketones with electrophilically
 activated carbonyl ylides. Synthesis of spirocyclic dioxolane
 indolinones
;
_journal_issue                   17
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              3144
_journal_page_last               3157
_journal_paper_doi               10.1039/b804856h
_journal_volume                  6
_journal_year                    2008
_chemical_formula_sum            'C19 H13 N3 O4'
_chemical_formula_weight         347.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 98.847(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.989(2)
_cell_length_b                   10.7196(10)
_cell_length_c                   13.1319(10)
_cell_measurement_temperature    295(2)
_cell_volume                     1667.6(3)
_computing_cell_refinement
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_data_collection
'CrysAlis CCD, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_data_reduction
'CrysAlis RED, Oxford Diffraction Ltd.,Version 1.171.26'
_computing_molecular_graphics    'PLATON_(Spek, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97_(Altomare & al., 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 19.64
_diffrn_measured_fraction_theta_full 0.852
_diffrn_measured_fraction_theta_max 0.852
_diffrn_measurement_device_type  'CCD Saphire 3 Xcalibur'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0644
_diffrn_reflns_av_sigmaI/netI    0.3123
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13272
_diffrn_reflns_theta_full        31.90
_diffrn_reflns_theta_max         31.90
_diffrn_reflns_theta_min         2.86
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.880
_refine_diff_density_min         -0.135
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       0.0039(8)
_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   0.628
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     236
_refine_ls_number_reflns         4892
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.628
_refine_ls_R_factor_all          0.2292
_refine_ls_R_factor_gt           0.0509
_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^)+(0.0728P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1232
_refine_ls_wR_factor_ref         0.1403
_reflns_number_gt                1178
_reflns_number_total             4892
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b804856h.txt
_cod_data_source_block           5a
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7150937