A benzopyran derivative substituted at position 3
Rybarczyk-Pirek, Agnieszka J.; Małecka, Magdalena; Grabowski, Sławomir J.; Nawrot-Modranka, Jolanta; Acta Crystallographica Section C 58 (2002) o405–o406; doi:10.1107/S0108270102008508

data_2012824
_publ_section_title
;
 A benzopyran derivative substituted at position 3
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o405
_journal_page_last               o406
_journal_paper_doi               10.1107/S0108270102008508
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         'C23 H19 N2 O5 P'
_chemical_formula_sum            'C23 H19 N2 O5 P'
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_chemical_name_systematic
;
(E)-3-{[(diphenyloxyphosphoryl)methylhydrazono]methyl}-4H-1-benzopyran-4-one
;
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;MSC/AFC Diffractometer Control Software (Molecular Structure Corporation,
 1989)
;
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'TEXSAN (Molecular Structure Corporation, 1989)'
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_diffrn_measurement_device_type  'Rigaku AFC-5S'
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'flotation in a solution of KI and KBr in water'
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'w = 1/[\s^2^(Fo^2^)+(0.0798P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_cod_database_code               2012824