Name this amine, including (R,S) stereochemistry

In summary, an amine is an organic compound containing a nitrogen atom bonded to carbon atoms, and its naming is important in accurately identifying and categorizing compounds. (R,S) stereochemistry refers to the spatial arrangement of molecules and is determined using the Cahn-Ingold-Prelog priority rules. A compound can only have one (R) and one (S) stereoisomer, but may have multiple chiral centers and therefore multiple (R,S) designations.
  • #1
cjc0117
94
1
grey=carbon; white=hydrogen; blue=nitrogen

After assigning priorities, I concluded that the carbon attached directly to the nitrogen is an S enantiomer and the carbon attached directly to that carbon (the one not in a ring) is an R enantiomer.

I decided to treat the benzene rings as substituents (phenyl groups). Thus, the longest carbon skeleton has three carbons. The carbon attached to the nitrogen is the number 1 carbon.

I came up with the following name:

(1S,2R)-1,2-diphenyl-1-propanamine

Would you agree? Thanks.
 

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  • #2
I agree.
 

1. What is an amine?

An amine is a type of organic compound that contains a nitrogen atom bonded to one, two, or three carbon atoms. Amines are classified as primary, secondary, or tertiary depending on the number of carbon atoms bonded to the nitrogen atom.

2. What is the purpose of naming amines?

Naming amines is important for accurately identifying and categorizing different compounds. It also allows for communication and understanding among scientists and researchers in the field of chemistry.

3. What does (R,S) stereochemistry mean?

(R,S) stereochemistry refers to the relative orientation of different atoms or groups around a chiral center in a molecule. It is used to describe the spatial arrangement of molecules and is important for understanding the properties and behaviors of different compounds.

4. How is the (R,S) stereochemistry determined in a compound?

The (R,S) stereochemistry is determined by a set of rules known as the Cahn-Ingold-Prelog priority rules. These rules assign priority to different groups attached to a chiral center based on the atomic number of the atoms bonded to the chiral center. The compound is then viewed from the perspective of the lowest priority group, and the direction in which the remaining groups are arranged determines the (R,S) designation.

5. Can a compound have both (R) and (S) stereoisomers?

No, a compound can only have one (R) and one (S) stereoisomer. This is because the (R,S) designation is based on the absolute configuration of the molecule and cannot change without breaking or forming new bonds. However, a compound may have multiple chiral centers and therefore have more than one (R,S) designation.

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