Palladium catalyzed cyclizations of oxime esters with 1,2-disubstituted alkenes: synthesis of dihydropyrroles.
Race, Nicholas J.; Bower, John F.; Organic letters 15 (2013) 4616–4619; doi:10.1021/ol4023112

data_1512370
_publ_section_title
;
 Palladium catalyzed cyclizations of oxime esters with 1,2-disubstituted
 alkenes: synthesis of dihydropyrroles.
;
_journal_issue                   17
_journal_name_full               'Organic letters'
_journal_page_first              4616
_journal_page_last               4619
_journal_paper_doi               10.1021/ol4023112
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C19 H19 N O'
_chemical_formula_sum            'C19 H19 N O'
_chemical_formula_weight         277.35
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 100.894(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   31.489(2)
_cell_length_b                   7.4022(5)
_cell_length_c                   6.4814(5)
_cell_measurement_reflns_used    3853
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.32
_cell_measurement_theta_min      2.63
_cell_volume                     1483.51(18)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            12214
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.63
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6178
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.242
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.348
_exptl_crystal_size_mid          0.109
_exptl_crystal_size_min          0.021
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.151
_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   0.4(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         3061
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0411
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.2261P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0817
_refine_ls_wR_factor_ref         0.0852
_reflns_number_gt                2721
_reflns_number_total             3061
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol4023112_si_003.cif
_cod_data_source_block           nr01_0m
_cod_original_cell_volume        1483.53(18)
_cod_original_sg_symbol_Hall     C-2yc
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               1512370