Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 1806-29-7, Name is 2,2-Biphenol. In a document type is Article, introducing its new discovery., 1806-29-7
Synthesis and characterization of 6-substituted dibenzo [d,f][1,3,2] dioxa phosphepin 6-oxides
Several 6-trichloromethyl dibenzo[d,f] [1,3,2] dioxaphosphepin 6-oxide (3a), 2-chloroethoxy dibenzo[d,f] [1,3,2] dioxaphosphepin 6-oxide (3b) and alkylcarbamato dibenzo [d,f] [1,3,2] dioxaphosphepin 6-oxides (6a-c) have been synthesized from reactions of equimolar quantities of 2,2′-dihydroxybiphenyl (1) with trichloromethylphosphonic dichloride (2a), O-2-chloroethyl phosphoryldichloride (2b) and dichlorophosphinyl carbamates (5a-c) at 45-50C for (3a & 3b) and 40-45C for (6a-c) in dry toluene in the presence of triethylamine. Elemental, IR and NMR (1H & 31P) data have been discussed and supported all structures.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare