Chemistry · Stereochemistry
Given the specific rotation [α]D20 of (S)-4-methyl-3-heptanone in hexane as +22°, the specific rotation [α]D20, in hexane, of product A (enantiomeric excess, ee = 98%) obtained from an enantioselective alkylation reaction that yields predominantly the (R)-enantiomer is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1-21.12°
- 2-21.56°✓
- 3+21.12°
- 4+21.56°
Correct answer
-21.56°
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