A convenient synthesis of (1S,2R)-1,2-indene oxide and trans-(1S,2S)-2-bromo-1-indanol via oxazaborolidine-catalyzed borane reduction

Add time:07/11/2019    Source:sciencedirect.com

A facile synthesis of (1S,2R)-indene oxide with >99% e.e. and (1S,2S)-trans-2-bromo-1-indanol with 87% e.e. has been established by employing CBS-oxazaborolidine-catalyzed asymmetric borane reduction of 2-p-toluenesulfonyloxy-1-indanone using N-ethyl-N-isopropylaniline–borane complex as the borane carrier.

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