Quantitative preparation of 3,4-di(methylene)tetrahydrothiophene-1,1-dioxide by Zn-induced 1,4-debromination. A valuable 6-C reactive diene in [4+2] cycloadditions with DMAD and [60]fullerene
Markoulides, Marios S.; Ioannou, Charalambos P.; Manos, Manolis J.; Chronakis, Nikos; RSC Advances 2 (2012) 12269–; doi:10.1039/c2ra22502f

data_7238778
_publ_section_title
;
 Quantitative preparation of
 3,4-di(methylene)tetrahydrothiophene-1,1-dioxide by Zn-induced
 1,4-debromination. A valuable 6-C reactive diene in [4+2] cycloadditions
 with DMAD and [60]fullerene
;
_journal_issue                   32
_journal_name_full               'RSC Advances'
_journal_page_first              12269
_journal_paper_doi               10.1039/c2ra22502f
_journal_volume                  2
_journal_year                    2012
_chemical_formula_moiety         'C12 H14 O6 S'
_chemical_formula_sum            'C12 H14 O6 S'
_chemical_formula_weight         286.29
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_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                 97.99(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.170(2)
_cell_length_b                   7.029(2)
_cell_length_c                   22.066(4)
_cell_measurement_reflns_used    1212
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.9988
_cell_measurement_theta_min      2.8932
_cell_volume                     1254.9(5)
_computing_cell_refinement       'CrysAlis RED'
_computing_data_collection       'CrysAlis CCD'
_computing_data_reduction        'CrysAlis RED'
_computing_molecular_graphics
;
DIAMOND (Brandenburg, 2006)
MERCURY (Bruno et al. 2002)
;
_computing_publication_material  'WINGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.4223
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0914
_diffrn_reflns_av_sigmaI/netI    0.0943
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            6494
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    0.279
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.42876
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Empirical absorption correction (CrysAlis RED, Oxford Diffraction)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.515
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.822
_refine_diff_density_min         -0.594
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2213
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.1190
_refine_ls_R_factor_gt           0.0802
_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^)+(0.1099P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1921
_refine_ls_wR_factor_ref         0.2191
_reflns_number_gt                1382
_reflns_number_total             2213
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra22502f.txt
_cod_data_source_block           shelxl1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7238778