Effective and diastereoselective preparation of dispiro[cyclopent-3'-ene]bisoxindoles via novel [3 + 2] annulation of isoindigos and MBH carbonates.
Ren, Hong-Xia; Peng, Lin; Song, Xiang-Jia; Liao, Li-Guo; Zou, Ying; Tian, Fang; Wang, Li-Xin; Organic & biomolecular chemistry 16 (2018) 1297–1304; doi:10.1039/c7ob03009f

data_7156075
_publ_section_title
;
 Effective and diastereoselective preparation of
 dispiro[cyclopent-3'-ene]bisoxindoles via novel [3 + 2] annulation of
 isoindigos and MBH carbonates.
;
_journal_issue                   8
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              1297
_journal_page_last               1304
_journal_paper_doi               10.1039/c7ob03009f
_journal_volume                  16
_journal_year                    2018
_chemical_formula_moiety         'C37 H35 Cl N2 O8'
_chemical_formula_sum            'C37 H35 Cl N2 O8'
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_space_group_name_Hall           '-P 2ybc'
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_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
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_audit_update_record
;
2017-05-24 deposited with the CCDC.
2018-01-21 downloaded from the CCDC.
;
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0547P)^2^+1.6448P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_total             9809
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob03009f2.cif
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_cod_depositor_comments          'Adding full bibliography for 7156075.cif.'
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