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_1542962
_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_formula_sum            'C26 H24 N2 O2 S'
_chemical_formula_weight         428.53
_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
_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                 95.303(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3031(16)
_cell_length_b                   10.1584(13)
_cell_length_c                   17.270(2)
_cell_measurement_reflns_used    3552
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      29.64
_cell_measurement_theta_min      2.33
_cell_volume                     2149.2(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0411
_diffrn_reflns_av_sigmaI/netI    0.0408
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15834
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.177
_exptl_absorpt_correction_T_max  0.9930
_exptl_absorpt_correction_T_min  0.9489
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.347
_refine_diff_density_min         -0.392
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.951
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         4676
_refine_ls_number_restraints     74
_refine_ls_restrained_S_all      0.952
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0493
_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^)+(0.0286P)^2^+4.0755P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1151
_reflns_number_gt                3706
_reflns_number_total             4676
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6sc00176a2.cif
_cod_data_source_block           mo_dm12144_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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)/c
_cod_database_code               1542962