Carbodiimide insertion into sulfonimides: one-step route to azepine derivatives via a two-atom saccharin ring expansion.
Tan, Davin; Friščić, Tomislav; Chemical communications (Cambridge, England) 53 (2017) 901–904; doi:10.1039/c6cc07331j

data_7119209
_publ_section_title
;
 Carbodiimide insertion into sulfonimides: one-step route to azepine
 derivatives via a two-atom saccharin ring expansion.
;
_journal_issue                   5
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              901
_journal_page_last               904
_journal_paper_doi               10.1039/c6cc07331j
_journal_volume                  53
_journal_year                    2017
_chemical_formula_sum            'C24 H25 N3 O4 S2'
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_space_group_name_Hall           'P 2c -2n'
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_symmetry_space_group_name_Hall  'P 2c -2n'
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_audit_update_record
;
2016-07-16 deposited with the CCDC.
2016-12-15 downloaded from the CCDC.
;
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_diffrn_ambient_temperature      100
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_diffrn_reflns_av_unetI/netI     0.0548
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_diffrn_reflns_point_group_measured_fraction_full 0.950
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_exptl_crystal_description       Rod
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_exptl_crystal_size_mid          0.100
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;
 Flack x determined using 1261 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.04(4)
_refine_ls_extinction_method     none
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0345P)^2^+0.9289P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            c6cc07331j2.cif
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_cod_depositor_comments
'Adding full bibliography for 7119206--7119214.cif.'
_cod_database_code               7119209
_shelx_estimated_absorpt_t_min   0.854
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_shelxl_version_number           2013-4
_shelx_res_checksum              2292