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- W2148581182 abstract "A facile and simple method for the preparation of 3,4-dialkyl-3,4-dihydro-2H-1,3-benzoxazin-2-ones or naphthoxazin-2-ones in high yields from aminoalkylphenols and aminoalkylnaphthols is described. The reactions of the products obtained with organolithium and Grignard reagents were studied, and a method for the preparation of N-[1-(2-hydroxyphenyl)alkyl]-N-alkylamides, which are of pharmaceutical interest, from benzoxazinones was developed. A possible reaction mechanism is also proposed. The relative configuration of chiral products was determined from conformational analysis of 1 H NMR spectra.Key words: benzoxazinones, naphthoxazinones, organometallic reagents, amide preparation, aminoalkylphenols." @default.
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- W2148581182 date "2004-08-01" @default.
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- W2148581182 title "A facile synthesis of 3,4-dialkyl-3,4-dihydro-2<i>H</i>-1,3-benzoxazin-2-ones and naphthoxazin-2-ones and their reactions with organolithium and Grignard reagents Preparation of <i>N</i>-[1-(2′-hydroxyphenyl)alkyl]amides" @default.
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- W2148581182 doi "https://doi.org/10.1139/v04-100" @default.
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