Catalytic Asymmetric Claisen Rearrangement of Unactivated Allyl Vinyl Ethers
Maryll E. Geherty; Robert D. Dura; Scott G. Nelson; Journal of the American Chemical Society 132 (2010) 11875–11877; doi:10.1021/ja1039314

data_4102953
_publ_section_title
;
 Catalytic Asymmetric Claisen Rearrangement of Unactivated Allyl Vinyl
 Ethers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11875
_journal_page_last               11877
_journal_paper_doi               10.1021/ja1039314
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C21 H25 N O2'
_chemical_formula_sum            'C21 H25 N O2'
_chemical_formula_weight         323.42
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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            4
_cell_length_a                   5.0151(18)
_cell_length_b                   16.013(6)
_cell_length_c                   22.861(8)
_cell_measurement_reflns_used    945
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      21.072
_cell_measurement_theta_min      2.189
_cell_volume                     1835.9(11)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Smart Apex CCD'
_diffrn_measurement_method       '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  0.1244
_diffrn_reflns_av_sigmaI/netI    0.0646
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            14062
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9978
_exptl_absorpt_correction_T_min  0.9766
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker Sadabs'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         1899
_refine_ls_number_restraints     16
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.1151
_refine_ls_R_factor_gt           0.0739
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1629
_refine_ls_wR_factor_ref         0.1812
_reflns_number_gt                1257
_reflns_number_total             1899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1039314_si_002.cif
_cod_data_source_block           dura2s
_cod_database_code               4102953