Asymmetric pericyclic cascade approach to spirocyclic oxindoles.
Richmond, Edward; Duguet, Nicolas; Slawin, Alexandra M. Z.; Lébl, Tomáš; Smith, Andrew D.; Organic letters 14 (2012) 2762–2765; doi:10.1021/ol300982f

data_1507721
_publ_section_title
;
 Asymmetric pericyclic cascade approach to spirocyclic oxindoles.
;
_journal_issue                   11
_journal_name_full               'Organic letters'
_journal_page_first              2762
_journal_page_last               2765
_journal_paper_doi               10.1021/ol300982f
_journal_volume                  14
_journal_year                    2012
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C17 H15 N O'
_chemical_formula_sum            'C17 H15 N O'
_chemical_formula_weight         249.30
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.3871(8)
_cell_length_b                   12.0103(12)
_cell_length_c                   25.880(3)
_cell_measurement_reflns_used    18697
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      67.8
_cell_measurement_theta_min      3.4
_cell_volume                     2606.9(5)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0777
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_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            33124
_diffrn_reflns_theta_full        67.00
_diffrn_reflns_theta_max         68.19
_diffrn_reflns_theta_min         3.42
_exptl_absorpt_coefficient_mu    0.618
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.7278
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.171
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     351
_refine_ls_number_reflns         4622
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.238
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0376P)^2^+0.7508P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1013
_refine_ls_wR_factor_ref         0.1081
_reflns_number_gt                4255
_reflns_number_total             4622
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol300982f_si_002.cif
_cod_data_source_block           22
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2607.0(5)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1507721