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- W2072289092 abstract "Novel 6-substituted 2,10-dichloro-4,8-dinitrodibenzo[d,g][1,3,6,2]dioxathiaphosphocin-6-oxides 4 were synthesized by reacting 5,5′-dichloro-3,3′-dinitro-2,2′-dihydroxydiphenyl sulfide (2) with different aryl phosphorodichloridates, trichloromethylphosphonic dichloride and O-2-chloroethyl phosphoryldichloride (3) in the presence of triethylamine at 55–60°. Some of these compounds are prepared by reacting the monochloride, 2,6,10-trichloro-4,8-dinitrodibenzo[d,g][1,3,6,2]dioxathiaphosphoein-6-oxide (5) in situ with substituted phenols and thiols. 5 is prepared by condensing 2 with phosphorus oxychloride. The 1H nmr chemical shifts of the dibenzodioxathiaphosphocin moiety indicates the presence of more than one conformer in solution. However the presence of more than one conformer in each example cannot be entirely eliminated. Interestingly 4d on oxidation to 12-sulphone by H2O2 in acetic acid medium yielded only 12-sulphoxide 6a. The ir, 1H, 13C, 31P nmr and mass spectral data are discussed. Some of these compounds were screened for antifungal activity against Curvularia lunata and Aspergillus niger and antibacterial activity on Bacillus subtilis and Klebsiella pneumoniae. A few of them possess significant activity." @default.
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- W2072289092 title "A facile synthesis and antimicrobial activity of 2,10-dichloro-6-(aryloxy/thiophenoxy)-4,8-dinitrodibenzol[d,g][1,3,6,2]-dioxathiaphosphocin- 6-oxides" @default.
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- W2072289092 doi "https://doi.org/10.1002/jhet.5570370209" @default.
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