Regioselective Sulfonylation and N- to O-Sulfonyl Migration of Quinazolin-4(3H)-ones and Analogous Thienopyrimidin-4(3H)-ones
Matthias D. Mertens; Markus Pietsch; Gregor Schnakenburg; Michael Gütschow; Journal of Organic Chemistry 78 (2013) 8966–8979; doi:10.1021/jo4010876

data_4028581
_publ_contact_author_address
;      Pharmaceutical Institute I
       Rheinische Friedrich-Wilhelms-University of Bonn
       An der Immenburg 4
       D-53121 Bonn
       Germany
;
_publ_contact_author_email       guetschow@uni-bonn.de
_publ_contact_author_fax         '049 228 73-2567'
_publ_contact_author_name        'G\"utschow, Michael'
_publ_contact_author_phone       '049 228 73-2317'
_publ_section_title
;
 Regioselective Sulfonylation and N- to O-Sulfonyl Migration of
 Quinazolin-4(3H)-ones and Analogous Thienopyrimidin-4(3H)-ones
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8966
_journal_page_last               8979
_journal_paper_doi               10.1021/jo4010876
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C21 H23 N3 O4 S2'
_chemical_formula_sum            'C21 H23 N3 O4 S2'
_chemical_formula_weight         445.54
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 110.431(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6438(4)
_cell_length_b                   20.1707(11)
_cell_length_c                   12.4655(7)
_cell_measurement_reflns_used    4512
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     2036.66(19)
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0902
_diffrn_reflns_av_sigmaI/netI    0.1897
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14066
_diffrn_reflns_theta_full        28.50
_diffrn_reflns_theta_max         28.50
_diffrn_reflns_theta_min         2.67
_exptl_absorpt_coefficient_mu    0.296
_exptl_absorpt_correction_T_max  0.95849
_exptl_absorpt_correction_T_min  0.90447
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            'light yellowish'
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_description       Needle
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.72
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.813
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         4986
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.813
_refine_ls_R_factor_all          0.1473
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0157P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0767
_refine_ls_wR_factor_ref         0.0918
_reflns_number_gt                2196
_reflns_number_total             4986
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo4010876_si_002_06.cif
_cod_data_source_block           Greg184x
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4028581