Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 1806-29-7, C12H10O2. A document type is Article, introducing its new discovery., Quality Control of: 2,2-Biphenol
A simple procedure for the synthesis of eight-membered 6-(2-chloroethyl)/bis(2-chloroethyl)-amino-12-oxo-dibenzo[d,g][1,3,2]dioxaphosphocin 6-oxides (3a-b) and seven-membered 6-(2-chloroethyl)/bis-(2-chloroethyl)aminodibenzo[d,f][1,3,2]dioxaphosphepin 6-oxides (5a-b) from cyclocondensation of equimolar ratios of 2,2′-dihydroxybenzophenone (1) and 2,2′-dihydroxybiphenol (4), respectively with 2-chloroethylphosphonicdichloride (2a) and bis(2-chloroethyl)phosphoramidic dichloride (2b) in dry toluene in the presence of triethylamine at 45-50 C is described. All synthesized compounds possessed significant growth inhibition for their antibacteria against Bacillus subtilis and Klebsiella pneumonia and antifungi activity on “Curvularia lunata” and “Aspergillus Niger.”
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