s-amphetamine-is-a-commercially-available-drug-used-as-a-cns-stimulant-consideri

Question

(S)-Amphetamine is a commercially available drug used as a CNS stimulant. Considering the fact that (S)-amphetamine rotates the plane-polarized light in the clockwise direction, answer the following questions:

(a) Should (S)-amphetamine be referred to as (d) or (l)?

(b) Should it be referred to as (+) or (−)?

(c) What would be the direction of rotation (d or l; + or −) for (R)-amphetamine?

Chemical structure of (S)-Amphetamine, a CNS stimulant used in organic chemistry.

Accepted Answer

(a) (S)-Amphetamine should be referred to as (d).
(b) (S)-Amphetamine should be referred to as (+).
(c) (R)-Amphetamine should be referred to as (l) and (−).

Answer

(a) (S)-Amphetamine should be referred to as (l).
(b) (S)-Amphetamine should be referred to as (−).
(c) (R)-Amphetamine should be referred to as (l) and (+).

Answer

(a) (S)-Amphetamine should be referred to as (d).
(b) (S)-Amphetamine should be referred to as (+).
(c) (R)-Amphetamine should also be referred to as (d) and (+).

Answer

(a) (S)-Amphetamine should be referred to as (l).
(b) (S)-Amphetamine should be referred to as (−).
(c) (R)-Amphetamine should be referred to as (l) and (−).

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