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_7126392
_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'
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_space_group_name_Hall           '-P 1'
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_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_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0626P)^2^+0.6628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1424
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_reflns_number_gt                4750
_reflns_number_total             7089
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           mo_HeXin_20181130_1_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7126391--7126394.cif.
;
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_shelx_res_checksum              85630