Highly efficient synthesis and stereoselective migration reactions of chiral five-membered aza-spiroindolenines: scope and mechanistic understanding
Wu, Qing-Feng; Zheng, Chao; Zhuo, Chun-Xiang; You, Shu-Li; Chem. Sci. 7 (2016) 4453–; doi:10.1039/C6SC00176A

data_1542959
_publ_section_title
;
 Highly efficient synthesis and stereoselective migration reactions of
 chiral five-membered aza-spiroindolenines: scope and mechanistic
 understanding
;
_journal_issue                   7
_journal_name_full               'Chem. Sci.'
_journal_page_first              4453
_journal_paper_doi               10.1039/C6SC00176A
_journal_volume                  7
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C26 H25 N2 O2.5 S'
_chemical_formula_weight         437.54
_chemical_name_systematic
; 
 ? 
;
_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
;
2014-08-08 deposited with the CCDC.
2016-03-29 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                   6.7630(19)
_cell_length_b                   11.797(3)
_cell_length_c                   28.909(8)
_cell_measurement_reflns_used    3758
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.538
_cell_measurement_theta_min      5.459
_cell_volume                     2306.4(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0351
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            12135
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.57216
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.295
_exptl_crystal_size_mid          0.231
_exptl_crystal_size_min          0.106
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.08(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.959
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4279
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.041
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0577P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1000
_refine_ls_wR_factor_ref         0.1057
_reflns_number_gt                3260
_reflns_number_total             4279
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6sc00176a2.cif
_cod_data_source_block           cd211213
_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.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1542957--1542962.cif.
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_original_formula_sum        'C26 H25 N2 O2.50 S'
_cod_database_code               1542959