Highly regio- and stereoselective nitro-oxoamination of mono-substituted allenes
Can Xue; Chunling Fu; Shengming Ma; Chem.Commun. 50 (2014) 15333–; doi:10.1039/C4cc05743K

data_7116044
_publ_section_title
;
 Highly regio- and stereoselective nitro-oxoamination of mono-substituted
 allenes
;
_journal_name_full               Chem.Commun.
_journal_page_first              15333
_journal_paper_doi               10.1039/C4cc05743K
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C18 H25 Br N2 O3'
_chemical_formula_sum            'C18 H25 Br N2 O3'
_chemical_formula_weight         397.31
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.9268(13)
_cell_length_b                   8.3654(5)
_cell_length_c                   23.4009(19)
_cell_measurement_reflns_used    4398
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.3479
_cell_measurement_theta_min      2.9875
_cell_volume                     3705.1(5)
_computing_cell_refinement       'CrysAlis PRO (Agilent Technologies, 2011)'
_computing_data_collection       'CrysAlis PRO'
_computing_data_reduction        'CrysAlis PRO'
_computing_molecular_graphics    'OLEX2 (Dolomanov et al., 2009)'
_computing_publication_material  OLEX2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w 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  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23814
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    2.237
_exptl_absorpt_correction_T_max  0.6272
_exptl_absorpt_correction_T_min  0.4758
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis PRO (Agilent Technologies, 2011) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.559
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3383
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0599
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0330P)^2^+3.0411P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0809
_refine_ls_wR_factor_ref         0.0915
_reflns_number_gt                2519
_reflns_number_total             3383
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc05743k2.cif
_cod_data_source_block           140120_xc_10_005_2
_cod_database_code               7116044