Structure-Reactivity Relationships of Zwitterionic 1,3-Diaza-Claisen Rearrangements
Rachel Aranha Potter; Amy M. Bowser; Yanbo Yang; José S. Madalengoitia; Joseph W. Ziller; Journal of Organic Chemistry 78 (2013) 11772–11782; doi:10.1021/jo401810p

data_4028786
_publ_section_title
;
 Structure-Reactivity Relationships of Zwitterionic 1,3-Diaza-Claisen
 Rearrangements
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              11772
_journal_page_last               11782
_journal_paper_doi               10.1021/jo401810p
_journal_volume                  78
_journal_year                    2013
_chemical_formula_sum            'C24 H33 N3 O4'
_chemical_formula_weight         427.53
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.8517(3)
_cell_angle_beta                 98.4236(3)
_cell_angle_gamma                112.3500(3)
_cell_formula_units_Z            2
_cell_length_a                   9.7840(3)
_cell_length_b                   11.1537(3)
_cell_length_c                   11.4846(3)
_cell_measurement_reflns_used    9896
_cell_measurement_temperature    98(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      2.28
_cell_volume                     1143.22(6)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART 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      98(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0128
_diffrn_reflns_av_sigmaI/netI    0.0140
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13553
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9832
_exptl_absorpt_correction_T_min  0.9725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.242
_exptl_crystal_density_meas      ?
_exptl_crystal_description       irregular
_exptl_crystal_F_000             460
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.0034(17)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     413
_refine_ls_number_reflns         5304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0484P)^2^+0.3810P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0904
_refine_ls_wR_factor_ref         0.0928
_reflns_number_gt                4881
_reflns_number_total             5304
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401810p_si_003.cif
_cod_data_source_block           jsm2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4028786