Synthesis of β-sulfinyl cyclobutane carboxylic amides via a formal α to β sulphoxide migration process.
Ghisu, Lorenza; Melis, Nicola; Serusi, Lorenzo; Luridiana, Alberto; Soddu, Francesco; Secci, Francesco; Caboni, Pierluigi; Guillot, Régis; Aitken, David J.; Frongia, Angelo; Organic & biomolecular chemistry 17 (2019) 6143–6147; doi:10.1039/c9ob00758j

data_7156890
_publ_section_title
;
 Synthesis of \b-sulfinyl cyclobutane carboxylic amides via a formal \a to
 \b sulphoxide migration process.
;
_journal_issue                   25
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              6143
_journal_page_last               6147
_journal_paper_doi               10.1039/c9ob00758j
_journal_volume                  17
_journal_year                    2019
_chemical_formula_moiety         'C18 H15 N O4 S'
_chemical_formula_sum            'C18 H15 N O4 S'
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_space_group_crystal_system      monoclinic
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_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 c 1'
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_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-03-13 deposited with the CCDC.    2019-06-03 downloaded from the CCDC.
;
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_computing_cell_refinement       'Bruker SAINT'
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_exptl_crystal_colour            colorless
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0135P)^2^+30.8687P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1714
_refine_ls_wR_factor_ref         0.1932
_reflns_Friedel_coverage         0.871
_reflns_Friedel_fraction_full    0.937
_reflns_Friedel_fraction_max     0.859
_reflns_number_gt                20189
_reflns_number_total             28680
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob00758j2.cif
_cod_data_source_block           8a
_cod_depositor_comments          'Adding full bibliography for 7156890.cif.'
_cod_database_code               7156890
_shelx_estimated_absorpt_t_min   0.959
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_shelx_res_checksum              41553