Reagent-Directed Allylic Quadraselection. Chemoselective Anti- and Syn-Lawton SN2' Methylation of Seven-Membered Epoxyvinylsulfones
Wan Pyo Hong; Ahmad El-Awa; Philip L. Fuchs; Journal of the American Chemical Society 131 (2009) 9150–9151; doi:10.1021/ja9017557

data_4104643
_publ_contact_author_address
;    Department of Chemistry
     Purdue University
     560 Oval Dr.
     W. Lafayette
     IN 47907-2084
     USA
;
_publ_contact_author_email       pfuchs@purdue.edu
_publ_contact_author_name        'Philip L. Fuchs'
_publ_contact_author_phone       1(765)4945242
_publ_section_title
;
 Reagent-Directed Allylic Quadraselection. Chemoselective Anti- and
 Syn-Lawton SN2' Methylation of Seven-Membered Epoxyvinylsulfones
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9150
_journal_page_last               9151
_journal_paper_doi               10.1021/ja9017557
_journal_volume                  131
_journal_year                    2009
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C13 H15 Cl1 O3 S1'
_chemical_formula_sum            'C13 H15 Cl O3 S'
_chemical_formula_weight         286.78
_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_type_scat_source
'International Tables for Crystallography (Vol C)'
_audit_creation_date             23-07-08
_audit_creation_method           'SHELXL and local programs'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.0087(15)
_cell_length_b                   11.234(3)
_cell_length_c                   30.148(4)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    298
_cell_measurement_theta_max      22
_cell_measurement_theta_min      18
_cell_volume                     2712.4(10)
_computing_cell_refinement       'CAD4 (Enraf-Nonius, 1977)'
_computing_data_collection       'CAD4 (Enraf-Nonius, 1977)'
_computing_data_reduction        'PROCESS MolEN (Fair, 1990)'
_computing_molecular_graphics
;
    ORTEP (Johnson, 1976)
    PLATON (Spek, 1997)
;
_computing_publication_material  'SHELX97(Sheldrick, 2008) and local programs'
_computing_structure_refinement  'SHELX97 (Sheldrick, 2008)'
_computing_structure_solution
;
 Direct methods (SIR2004, Burla et al., 2005)
;
_diffrn_ambient_temperature      298
_diffrn_measurement_device_type  Enraf_Nonius_CAD4
_diffrn_measurement_method       \q/2\q
_diffrn_radiation_monochromator  'graphite 002'
_diffrn_radiation_type           Cu-K\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.000
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2630
_diffrn_reflns_theta_max         65.00
_diffrn_reflns_theta_min         2.46
_diffrn_standards_decay_%        11.04
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.934
_exptl_absorpt_correction_type   none
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_description       needle
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.46
_refine_diff_density_min         -0.46
_refine_ls_abs_structure_details 'Flack H. D. (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.03(5)
_refine_ls_extinction_coef       0.16E-02
_refine_ls_extinction_method     'SHELXL97 (Sheldrick 2008)'
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         2592
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.093
_refine_ls_R_factor_gt           0.083
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'1/[\s^2^(Fo^2^)+(0.1728P)^2^+1.8354P] where P=(Fo^2^+2Fc^2^)/3  '
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.220
_refine_ls_wR_factor_ref         0.233
_reflns_number_gt                2287
_reflns_threshold_expression     >2.0\s(I)
_cod_data_source_file            ja9017557_si_002.cif
_cod_data_source_block           HCL
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc ' changed to 'calc'
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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2712.3(15)
_cod_original_formula_sum        'C13 H15 Cl1 O3 S1'
_cod_database_code               4104643