Synthesis of spiroaminals by bimetallic Au/Sc relay catalysis: TMS as a traceless controlling group
Shuo Zhang; Zhengliang Xu; Jiong Jia; Chen-Ho Tung; Zhenghu Xu; Chem.Commun. 50 (2014) 12084–; doi:10.1039/C4cc05610H

data_7115737
_publ_section_title
;
 Synthesis of spiroaminals by bimetallic Au/Sc relay catalysis: TMS as a
 traceless controlling group
;
_journal_name_full               Chem.Commun.
_journal_page_first              12084
_journal_paper_doi               10.1039/C4cc05610H
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C23 H25 N O5 S'
_chemical_formula_weight         427.50
_chemical_name_systematic        zs-spiro
_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                 98.076(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.074(3)
_cell_length_b                   12.584(3)
_cell_length_c                   15.635(3)
_cell_measurement_temperature    298(2)
_cell_volume                     2157.2(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0826
_diffrn_reflns_av_sigmaI/netI    0.1075
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10431
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.46
_exptl_absorpt_coefficient_mu    0.184
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.9641
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.924
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3793
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.924
_refine_ls_R_factor_all          0.1692
_refine_ls_R_factor_gt           0.0575
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0660P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1234
_refine_ls_wR_factor_ref         0.1679
_reflns_number_gt                1536
_reflns_number_total             3793
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc05610h2.cif
_cod_data_source_block           p
_cod_original_cell_volume        2157.1(8)
_cod_original_sg_symbol_H-M      P2(1)/C
_cod_database_code               7115737