Phosphine-Catalyzed Annulations of Azomethine Imines: Allene-Dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] Pathways
Risong Na; Chengfeng Jing; Qihai Xu; Hui Jiang; Xi Wu; Jiayan Shi; Jiangchun Zhong; Min Wang; Diego Benitez; Ekaterina Tkatchouk; William A. Goddard; Hongchao Guo; Ohyun Kwon; Journal of the American Chemical Society 133 (2011) 13337–13348; doi:10.1021/ja200231v

data_4106650
_publ_section_title
;
 Phosphine-Catalyzed Annulations of Azomethine Imines: Allene-Dependent [3
 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] Pathways
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13337
_journal_page_last               13348
_journal_paper_doi               10.1021/ja200231v
_journal_volume                  133
_journal_year                    2011
_chemical_formula_moiety         'C20 H23 N3 O7'
_chemical_formula_sum            'C20 H23 N3 O7'
_chemical_formula_weight         417.41
_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                82.353(17)
_cell_angle_beta                 80.257(15)
_cell_angle_gamma                67.002(11)
_cell_formula_units_Z            2
_cell_length_a                   10.019(2)
_cell_length_b                   11.019(2)
_cell_length_c                   12.228(2)
_cell_measurement_reflns_used    378
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.17
_cell_volume                     1221.4(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.939
_diffrn_measured_fraction_theta_max 0.939
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0395
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10600
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9914
_exptl_absorpt_correction_T_min  0.9702
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_description       prism
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.755
_refine_diff_density_min         -0.254
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.119
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         4041
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      1.117
_refine_ls_R_factor_all          0.0845
_refine_ls_R_factor_gt           0.0752
_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^)+(0.0851P)^2^+1.8667P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2072
_refine_ls_wR_factor_ref         0.2138
_reflns_number_gt                3401
_reflns_number_total             4041
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja200231v_si_004.cif
_cod_data_source_block           sa853
_cod_original_cell_volume        1221.5(4)
_cod_database_code               4106650