Give the name or condensed structural formula, appropriate:...

Give the name or condensed structural formula, appropriate: (a) <smiles>CCCCC(C)CC(C)C</smiles> (b) 2,2 -dimethylpentane (c) 4 -ethyl-1,1-dimethylcyclohexane (d) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}_{2} \mathrm{CH}_{2} \mathrm{C}\left(\mathrm{CH}_{3}\right)_{3}$ (e) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right) \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$

Give the name or condensed structural formula, appropriate:
(a)
<smiles>CCCCC(C)CC(C)C</smiles>
(b) 2,2 -dimethylpentane
(c) 4 -ethyl-1,1-dimethylcyclohexane
(d) $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}_{2} \mathrm{CH}_{2} \mathrm{C}\left(\mathrm{CH}_{3}\right)_{3}$
(e) $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}\left(\mathrm{C}_{2} \mathrm{H}_{5}\right) \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$

Key Concepts

IUPAC Nomenclature

IUPAC nomenclature provides a systematic way to name chemical compounds based on their structure. It involves rules for identifying the longest carbon chain, numbering carbon atoms, naming substituents, and indicating positions of various groups. This standardized approach ensures that each compound has a unique and universally recognized name, reducing ambiguity in chemical communication.

Condensed Structural Formula

A condensed structural formula is a shorthand notation for representing organic molecules. It provides the connectivity of atoms in a molecule without requiring a full diagram of bonds. This format groups atoms together to show main chains and branches, making it easier to visualize the overall structure while still conveying important details about the molecular framework.

SMILES Notation

SMILES (Simplified Molecular Input Line Entry System) is a method for encoding a molecule's structure into a line of text. It describes the arrangement of atoms and bonds using a linear string, which is useful for inputting and searching chemical databases. SMILES enables the computer-readable representation of chemical structures, facilitating various computational applications in chemistry.

Transcript

00:01 So this problem is from the chapter chemistry of life, organic and biological chemistry.

00:06 This is based on the name of the organic compound and the condensed structural formula.

00:11 We are given some of the names and condensed structural formula for the compounds.

00:16 We have to write the condensed structural formula where the name is given and the name where the formula is given.

00:21 So the first compound is this.

00:24 If we see in this compound, we can count the number of carbon atoms.

00:27 So there are seven carbon atoms in the parent chain with two methyl groups at carbon number two.

00:38 And so we can write the name of this compound as two, three, di methyl hepene.

00:53 Then we have the second where the name is given and we have to write the condensed structural formula.

00:59 The compound is two to dimethyl pentane.

01:01 So we can write the condensed structure of the compound as ch3, thrice c, ch2, ch2, ch3.

01:17 This is a condensed structure of formula of the compound due to diamethyl pentine.

01:21 The next one is again a name that is 4 ethyl 1 -1 di -ethyl cyclohexene.

01:27 This compound has a cyclic ring consisting of six carbon atoms with ethyl group at carbon number 4 and methyl group at carbon number one there are two methyl groups so let this be carbon number one we can write this having ch 3 two times then ch 2 ch 2 ch 2 having ethyl group then this is having ch2 group bonded to next carbon atom and ch2 here so this represents the structure of formula for the given compound the fourth one is a structure where we have to write the name...

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