Unusual Aryl Migration in a Mesomeric Betaine in the Solid and Liquid State: Mechanistic Insights into the SNAr Reaction
David Cantillo; Martín Ávalos; Reyes Babiano; Pedro Cintas; José L. Jiménez; Mark E. Light; Juan C. Palacios; Journal of Organic Chemistry 75 (2010) 4300–4303; doi:10.1021/jo100350t

data_4025489
_publ_section_title
;
 Unusual Aryl Migration in a Mesomeric Betaine in the Solid and Liquid
 State: Mechanistic Insights into the SNAr Reaction
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4300
_journal_page_last               4303
_journal_paper_doi               10.1021/jo100350t
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_sum            'C34 H29 N5 O12 S'
_chemical_formula_weight         731.68
_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            8
_cell_length_a                   16.1087(2)
_cell_length_b                   17.1285(3)
_cell_length_c                   24.1506(4)
_cell_measurement_reflns_used    100120
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     6663.58(18)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, et al., 1993)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans to fill the asymmetric unit'
_diffrn_radiation_monochromator  '10cm confocal mirrors'
_diffrn_radiation_source         'Bruker Nonius FR591 Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0621
_diffrn_reflns_av_sigmaI/netI    0.0805
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            47713
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.92
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.172
_exptl_absorpt_correction_T_max  0.9949
_exptl_absorpt_correction_T_min  0.9403
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS V2.10 (Sheldrick, G.M., 2003)
;
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Fragment
_exptl_crystal_F_000             3040
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.307
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.15(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     943
_refine_ls_number_reflns         14580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.1049
_refine_ls_R_factor_gt           0.0670
_refine_ls_shift/su_max          0.030
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+7.5940P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1073
_refine_ls_wR_factor_ref         0.1219
_reflns_number_gt                10822
_reflns_number_total             14580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100350t_si_001.cif
_cod_data_source_block           2007acc1603
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025489