Benzothiazines in Synthesis. Further Studies of the Intramolecular, Stereoselective Addition of Sulfonimidoyl Carbanions to α,β-Unsaturated Functional Groups
Michael Harmata; Kanok-on Rayanil; Vinson R. Espejo; Charles L. Barnes; Journal of Organic Chemistry 74 (2009) 3214–3216; doi:10.1021/jo900151d

data_4024476
_publ_section_title
;
Benzothiazines in Synthesis. Further Studies of the Intramolecular,
Stereoselective Addition of Sulfonimidoyl Carbanions to \a,\b-Unsaturated
Functional Groups
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              3214
_journal_page_last               3216
_journal_paper_doi               10.1021/jo900151d
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C21 H19 N O3 S2'
_chemical_formula_weight         397.49
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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                   8.9218(5)
_cell_length_b                   12.0276(7)
_cell_length_c                   17.7965(10)
_cell_measurement_reflns_used    8819
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.1
_cell_measurement_theta_min      2.3
_cell_volume                     1909.70(19)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'ORTEP-III (Burnett & Johnson, 1996)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0291
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13078
_diffrn_reflns_theta_full        27.12
_diffrn_reflns_theta_max         27.12
_diffrn_reflns_theta_min         2.04
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0.0
_exptl_absorpt_coefficient_mu    0.300
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Data were corrected for decay and absorption using the program SADABS 
 (Sheldrick, G. M. (2003). SADABS. Version 2.10. University of
 G\"ottingen, Germany).
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.255
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.06(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4179
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0322
_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^)+(0.0327P)^2^+0.3990P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0713
_reflns_number_gt                3877
_reflns_number_total             4179
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900151d_si_005.cif
_cod_data_source_block           KR-VIII-86a1
_cod_database_code               4024476