Electric Literature of 23190-16-1. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 23190-16-1, Name is (1R,2S)-(−)-2-Amino-1,2-diphenylethanol. In a document type is Article, introducing its new discovery.
(matrix presented) Amino alcohol 4 (or its enantiomer) is prepared in two simple steps. Commercial (1R,2S)-2-amino-1,2-diphenylethanol is dialkylated with bis(2-bromoethyl) ether. Subsequent hydrogenation over 5% Rh on alumina in the presence of morpholine unexpectedly stops at the hexahydro derivative 4. Amino alcohol 4 promotes the enantioselective addition of diethylzinc to aldehydes at room temperature in up to 99% enantiomeric excess.
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