Synthesis of α-Substituted Vinylsulfonium Salts and Their Application as Annulation Reagents in the Formation of Epoxide- and Cyclopropane-Fused Heterocycles.
Matlock, Johnathan V.; Fritz, Sven P.; Harrison, Stephen A.; Coe, Diane M.; McGarrigle, Eoghan M.; Aggarwal, Varinder K.; The Journal of organic chemistry 79 (2014) 10226–; doi:10.1021/jo501885z

data_4030048
_publ_section_title
;
 Synthesis of \a-Substituted Vinylsulfonium Salts and Their Application as
 Annulation Reagents in the Formation of Epoxide- and Cyclopropane-Fused
 Heterocycles.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10226
_journal_paper_doi               10.1021/jo501885z
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C20 H21 N O3 S'
_chemical_formula_sum            'C20 H21 N O3 S'
_chemical_formula_weight         355.44
_space_group_crystal_system      orthorhombic
_space_group_IT_number           56
_space_group_name_Hall           '-P 2ab 2ac'
_space_group_name_H-M_alt        'P c c n'
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-03-05
_audit_creation_method
;
Olex2 1.2
(compiled 2014.02.28 svn.r2899 for OlexSys, GUI svn.r4781)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   21.552(3)
_cell_length_b                   11.0789(17)
_cell_length_c                   15.085(2)
_cell_measurement_reflns_used    9832
_cell_measurement_temperature    150.0
_cell_measurement_theta_max      66.597
_cell_measurement_theta_min      4.103
_cell_volume                     3601.9(9)
_computing_cell_refinement       'Bruker Apex 2'
_computing_data_collection       'Bruker Apex 2'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve (Bourhis et al., 2013)'
_diffrn_ambient_temperature      150.0
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker Microstar Pt 135 CCD area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0477
_diffrn_reflns_av_unetI/netI     0.0337
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            28719
_diffrn_reflns_theta_full        66.59
_diffrn_reflns_theta_max         66.59
_diffrn_reflns_theta_min         4.10
_diffrn_source                   'rotating anode'
_exptl_absorpt_coefficient_mu    1.747
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.2973
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1252 before and 0.0753 after correction.
The Ratio of minimum to maximum transmission is 0.3949.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0426
_refine_ls_R_factor_gt           0.0412
_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^)+(0.0641P)^2^+1.7764P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1151
_reflns_number_gt                2994
_reflns_number_total             3143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo501885z_si_003.cif
_cod_data_source_block           jm4077
_cod_depositor_comments
'Adding full bibliography for 4030047--4030050.cif.'
_cod_original_cell_volume        3602.0(10)
_cod_database_code               4030048
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C12(H12), C9(H9)
2.b Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C8(H8A,H8B)
2.c Aromatic/amide H refined with riding coordinates:
 C20(H20), C16(H16), C3(H3), C2(H2), C5(H5), C19(H19), C18(H18), C6(H6),
 C17(H17)
2.d Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C14(H14A,H14B,H14C)
;
_olex2_computing_structure_refinement_long 'ShelXL (Sheldrick, 2008)'