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_4028585
_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         'C25 H32 N2 O3 S2'
_chemical_formula_sum            'C25 H32 N2 O3 S2'
_chemical_formula_weight         472.65
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 111.8410(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.1559(2)
_cell_length_b                   9.63380(10)
_cell_length_c                   26.2933(6)
_cell_measurement_reflns_used    6253
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.13
_cell_measurement_theta_min      1.00
_cell_volume                     2387.88(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'ccd rotation images, fine slicing'
_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  0.0582
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            27862
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    0.253
_exptl_absorpt_correction_T_max  0.9512
_exptl_absorpt_correction_T_min  0.9258
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.578
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         5708
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0371
_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^)+(0.0567P)^2^+0.0765P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0974
_refine_ls_wR_factor_ref         0.1029
_reflns_number_gt                4481
_reflns_number_total             5708
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo4010876_si_002_10.cif
_cod_data_source_block           2868
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4028585