Draw the structures that correspond to the following names.
(b) (3Z,8S)-8-ethyl-3-methylundec-3-en-6-yne

Guida verificata passo dopo passo

Step 1: Break down the name systematically. The name '(3Z,8S)-8-ethyl-3-methylundec-3-en-6-yne' provides information about the structure. 'Undec' indicates the parent chain has 11 carbon atoms. '3-en' specifies a double bond at carbon 3, and '6-yne' specifies a triple bond at carbon 6.

Step 2: Analyze the stereochemistry. The '(3Z)' indicates the double bond at carbon 3 has the Z configuration (the higher priority groups are on the same side). The '(8S)' specifies the stereochemistry at carbon 8, which is in the S configuration.

Step 3: Add substituents to the parent chain. The '8-ethyl' means there is an ethyl group (-CH₂CH₃) attached to carbon 8, and '3-methyl' means there is a methyl group (-CH₃) attached to carbon 3.

Step 4: Place the double and triple bonds. Draw the 11-carbon chain, then add a double bond between carbons 3 and 4, ensuring the Z configuration. Next, add a triple bond between carbons 6 and 7.

Step 5: Confirm the stereochemistry and substituent placement. Verify that the ethyl group at carbon 8 is in the S configuration and the methyl group at carbon 3 is correctly positioned. Ensure the double bond at carbon 3 has the Z configuration.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.

Durata del video:

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Stereochemistry

Stereochemistry is the study of the spatial arrangement of atoms in molecules and how this affects their chemical properties and reactions. In the given compound, the (3Z,8S) notation indicates specific stereochemical configurations at certain carbon centers, which are crucial for accurately drawing the structure.

Video consigliato:

Percorso guidato

1:38

Polymer Stereochemistry Concept 1

Functional Groups

Functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules. In this compound, the presence of an alkene (double bond) and an alkyne (triple bond) indicates the need to recognize these functional groups to understand the reactivity and properties of the molecule.

Video consigliato:

02:36

Identifying Functional Groups

IUPAC Nomenclature

IUPAC nomenclature is a systematic method of naming organic chemical compounds. The name provided includes information about the carbon chain length, branching, and the position of double and triple bonds, which is essential for constructing the correct molecular structure. Understanding this nomenclature is key to translating the name into a visual representation.

Video consigliato: