A three-component reaction of phosphorus ylides with isocyanates: facile synthesis of 2-amino-3-carboxylate-4-quinolones.
Babu, Kaki Raveendra; Han, Wendan; Chen, Jian-Bo; Li, Yang; Tang, Yuhai; Zhang, Wenquan; Xu, Wenbo; Xu, Silong; Chemical communications (Cambridge, England) 56 (2020) 5909–5912; doi:10.1039/d0cc01401j

data_7126391
_publ_section_title
;
 A three-component reaction of phosphorus ylides with isocyanates: facile
 synthesis of 2-amino-3-carboxylate-4-quinolones.
;
_journal_issue                   44
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              5909
_journal_page_last               5912
_journal_paper_doi               10.1039/d0cc01401j
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C20 H20 N2 O3'
_chemical_formula_sum            'C20 H20 N2 O3'
_chemical_formula_weight         336.38
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_space_group_name_Hall           '-C 2yc'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-11-05 deposited with the CCDC.	2020-04-17 downloaded from the CCDC.
;
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_diffrn_measurement_device_type  'Bruker APEX-II CCD'
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_refine_ls_R_factor_all          0.1003
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0464P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.1431
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7126391--7126394.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7126391
_shelx_shelxl_version_number     2016/6
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_shelx_res_checksum              84224