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_7150944
_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_compound_source        'synthesis as described'
_chemical_formula_moiety         'C18 H9 Cl2 N3 O3'
_chemical_formula_sum            'C18 H9 Cl2 N3 O3'
_chemical_formula_weight         386.18
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                72.904(4)
_cell_angle_beta                 87.391(4)
_cell_angle_gamma                83.669(4)
_cell_formula_units_Z            2
_cell_length_a                   7.2738(8)
_cell_length_b                   9.1406(9)
_cell_length_c                   12.8097(14)
_cell_measurement_reflns_used    8107
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.37
_cell_measurement_theta_min      2.34
_cell_measurement_wavelength     0.71073
_cell_volume                     809.00(15)
_computing_cell_refinement       'Bruker SMART, 2006'
_computing_data_collection       'Bruker SMART, 2006'
_computing_data_reduction        'Bruker SAINT, 2006'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.951
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0259
_diffrn_reflns_av_unetI/netI     0.0228
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13152
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    0.426
_exptl_absorpt_correction_T_max  0.926
_exptl_absorpt_correction_T_min  0.831
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.585
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             392
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.23
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         3529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0333
_refine_ls_R_factor_gt           0.0282
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0317P)^2^+0.5206P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0727
_reflns_number_gt                3146
_reflns_number_total             3529
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b804856h.txt
_cod_data_source_block           10a
_cod_database_code               7150944