Catalytic [2+2] and [3+2] cycloaddition reactions of allenoates with cyclic ketimines
Xiang-Yu Chen; Song Ye; Ruo-Chen Lin; Chem.Commun. 48 (2012) 1317–; doi:10.1039/c2cc16055b

data_7107245
_publ_section_title
;
 Catalytic [2+2] and [3+2] cycloaddition reactions of allenoates with
 cyclic ketimines
;
_journal_name_full               Chem.Commun.
_journal_page_first              1317
_journal_paper_doi               10.1039/c2cc16055b
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C19 H17 N O4 S'
_chemical_formula_sum            'C19 H17 N O4 S'
_chemical_formula_weight         355.40
_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                 106.66(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.487(2)
_cell_length_b                   11.695(2)
_cell_length_c                   14.052(3)
_cell_measurement_reflns_used    5122
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4838
_cell_measurement_theta_min      1.5127
_cell_volume                     1651.1(6)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
Mercury: visualization and analysis of crystal structures, C. F. Macrae,
P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0311
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7549
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.221
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7400
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.70
_exptl_crystal_size_min          0.60
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3746
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0529
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+1.1839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1260
_refine_ls_wR_factor_ref         0.1280
_reflns_number_gt                3595
_reflns_number_total             3746
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc16055b.txt
_cod_data_source_block           a1
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7107245