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Ring closure tertiary alcohol

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https://www.readbyqxmd.com/read/623889/the-formation-of-cyclized-silyl-derivatives-of-beta-hydroxyamines-and-their-analyses-by-means-of-gas-chromatography-mass-spectrometry
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C G Hammar
A generally applicable silylation method for beta-hydroxylated primary, secondary, tertiary and even quaternary amines is presented. These aminoalcohols form 6-membered heterocycles under the influence of a reagent mixture consisting of 1,3-bis-(chloromethyl)-1,1,3,3-tetramethyldisilazane and chloromethyldimethyl-chlorosilane. Examples of analogue ring closures with a gamma-hydroxyamine and an alpha-amino acid are also given. The formation of the derivatives and their properties, are discussed, mainly from the viewpoint mass spectrometry...
January 1978: Biomedical Mass Spectrometry
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