Use the known stereochemistry of the starting alkene (from this section) to assign the stereochemical configuration of the product, which was found by experiment to be levorotatory.

Transcribed Image Text:

(R)-(-)-Ph-CH-CH=CH₂ | CH3 1) BH3 2) H₂O₂/OH- (-)-Ph-CH-CH₂CH₂-OH I CH3 unknown configuration; the optical rotation is known from experimental measurement