Stereochemistry of mannich bases—VII

Add time:07/22/2019    Source:sciencedirect.com

The asymmetric reduction of achiral β-dialkyl-aminopropiophenones with LAH partly decomposed with (−)-menthol has been studied. The effects of the LAH/(−)-menthol ratio, the temperature, and the dialkylamino residue on the optical yield were investigated, and the absolute configurations of the predominant antipodes of they γ-dialkylaminoalcohols obtained were determined.

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