Chemoselective [3 + 2] annulation of oxime acetate with 2-aryl-3-ethoxycarbonyl-pyrroline-4,5-dione: an entry to pyrrolo[2,3-<i>b</i>]pyrrole derivatives.
Ramaraju, Andhavaram; Upare, Atul; Blanch, Ewan W.; Maniam, Subashani; Sridhar, Balasubramanian; Bathula, Surendar Reddy; Raji Reddy, Chada; Organic & biomolecular chemistry 19 (2021) 7875–7882; doi:10.1039/d1ob00990g

data_7158276
_publ_section_title
;
 Chemoselective [3 + 2] annulation of oxime acetate with
 2-aryl-3-ethoxycarbonyl-pyrroline-4,5-dione: an entry to
 pyrrolo[2,3-<i>b</i>]pyrrole derivatives.
;
_journal_issue                   36
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7875
_journal_page_last               7882
_journal_paper_doi               10.1039/d1ob00990g
_journal_volume                  19
_journal_year                    2021
_chemical_formula_moiety         'C21 H17 Cl N2 O4'
_chemical_formula_sum            'C21 H17 Cl N2 O4'
_chemical_formula_weight         396.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
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_atom_sites_solution_hydrogens   mixed
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_audit_update_record
;
2019-11-21 deposited with the CCDC.	2021-08-23 downloaded from the CCDC.
;
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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^)+(0.0861P)^2^+9.2499P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ob00990g2.cif
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_cod_depositor_comments          'Adding full bibliography for 7158276.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7158276
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_shelx_res_checksum              95725