An intramolecular [2 + 2] cycloaddition of ketenimines via palladium-catalyzed rearrangements of N-allyl-ynamides.
DeKorver, Kyle A.; Hsung, Richard P.; Song, Wang-Ze; Wang, Xiao-Na; Walton, Mary C.; Organic letters 14 (2012) 3214–3217; doi:10.1021/ol3013233

data_1507860
_publ_section_title
;
 An intramolecular [2 + 2] cycloaddition of ketenimines via
 palladium-catalyzed rearrangements of N-allyl-ynamides.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              3214
_journal_page_last               3217
_journal_paper_doi               10.1021/ol3013233
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C28 H33 N O3 S'
_chemical_formula_sum            'C28 H33 N O3 S'
_chemical_formula_weight         463.61
_chemical_name_common            12086a
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.233(2)
_cell_angle_beta                 70.521(2)
_cell_angle_gamma                66.598(2)
_cell_formula_units_Z            2
_cell_length_a                   9.3191(19)
_cell_length_b                   10.877(2)
_cell_length_c                   13.873(3)
_cell_measurement_reflns_used    2972
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.39
_cell_measurement_theta_min      2.50
_cell_volume                     1216.7(4)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0379
_diffrn_reflns_av_sigmaI/netI    0.0476
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            14114
_diffrn_reflns_theta_full        27.62
_diffrn_reflns_theta_max         27.62
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_T_max  0.9855
_exptl_absorpt_correction_T_min  0.9604
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008/1)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.266
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         5499
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0475
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0448P)^2^+0.4121P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1033
_refine_ls_wR_factor_ref         0.1160
_reflns_number_gt                3966
_reflns_number_total             5499
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3013233_si_005.cif
_cod_data_source_block           12086a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1891 2012-01-12 08:04:46Z andrius 

 Adding full bibliography for 1507858--1507860.cif.
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_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               1507860