Linked Questions

3
votes
2answers
9k views

Naming double bond sidechain [duplicate]

In IUPAC naming double bonds take preference over an alkane chain of any length, right? So the above should be named as 2-ethylnon-1-ene. However, when I verify ...
-1
votes
2answers
57 views

Something is wrong with converting structure to name in ChemDraw 18.0 [duplicate]

I am using the tool "convert structure to name" to name 2 organic compounds below. But, it seems the names are not wright. Can someone explain to me whether I am wrong or the software made a mistake?
6
votes
1answer
680 views

Preferred IUPAC names for branched unsaturated hydrocarbons (polyenes)?

What are the preferred IUPAC names for the following three compounds? Compound 1 is 3-ethenylhexa-1,5-diene. 2 is 3-methylidenehexa-1,5-diene. But I am still not sure about 3. I have narrowed it down ...
4
votes
1answer
1k views

How is a side-group that contains a double bond named?

In my chemistry lecture, we are working on the naming and nomenclature of organic molecules. When we got to the naming of alkenes and alkynes, we were told that the functional group had to be in the ...
4
votes
1answer
520 views

IUPAC name of a molecule with a cyanide group and a double bond

This is the molecule: After identifying the functional group, what should we prefer? A longer carbon chain or the one which is short but has a double bond in it. I personally think that we should ...
0
votes
1answer
319 views

Need an explanation for how they got this compound name out of this structure [closed]

My professor posted this question as practice in naming compounds and provided the answer. I have stared at this for 30 minutes and cannot seem to figure out how he got this name out of it... Can ...
2
votes
1answer
335 views

Selection of parent chain (IUPAC nomenclature)

In the given compound, there are (apparently) two possibilities of choosing the parent (main) chain for its nomenclature in accordance with IUPAC rules: (A) being the one containing 4 carbon atoms ...
-1
votes
1answer
532 views

Naming Alkenes with double bond branches?

This has confused me for so long, after reading the IUPAC rules over and over, I found the parent chain to be from the the CH2 numbered 1 to the one numbered 9, and I considered both CH3's as branches,...
1
vote
0answers
807 views

How do you identify parent chain of molecule? [closed]

Imagine a molecule that has aldehyde and alkene group, then how do you choose the longest chain to name as parent chain. Does the parent chain have to include both aldehyde and alkene group even if ...
1
vote
1answer
436 views

IUPAC Naming. Which one is correct?

I have named this according to the numbering shown as 3-ethyl-6-(1-methylbutyl) oct-2,4-diene-7-ynenitrile. But my book's answer key says 3-ethyl-6-ethynyl-7-methyl deca-2,4-dienenitrile This means it ...
0
votes
0answers
29 views

5-(prop-1-yn-1-yl)nonane or 4-butyloct-2-yne?

I have a problem in naming this hydrocarbon. I don't know wheteher it should be 4-butyloct-2-yne or 5-(prop-1-yn-1-yl)nonane. Any help appreciated.