Naming Organic Compounds Series: Video 7
This tutorial video shows you how to identify and name organic compounds containing a carbon to carbon triple bond. Examples including naming simple alkynes and naming alkynes with substituents using my puzzle piece approach to IUPAC nomenclature.
(Watch on YouTube: Alkynes. Click CC on bottom right for transcript.)
<– Watch Previous Video: Naming Alkenes
–> Watch Next Video: Naming Enynes (alkene + alkyne on same compound)
This is Video 7 in the Naming Organic Compounds Video Series. Click HERE for the entire series.
Need a review on Functional Groups? Watch the Functional Groups Video, Download the Cheat Sheet, then try the Quiz.
In the third example you presented, 2-methyl-5-heptyne, you mentioned that, when numbering the parent chain, if the substituent has the same number as the alkyne, the substituent will get the highest priority. However I’ve been thought in my university course and it also appears on my Organic Chemistry book (Klein, 2015) that the triple bond should get the priority thus named 6-methyl-2-heptyne or 6-methylhept-2-yne. I’m wondering now which way is correct, if you could help me that would be wonderful.
Lastly, thank you so so much for all your videos. They’ve been really helpful throughout my school year.
Alkenes and alkynes actually have higher priority than substituents, so your example at approximately 3 min should be numbered from the right.
if carbon is bonded to 4 other atoms in that case carbon is sp3 hybridized then come a condition it is changed into carbocation having sp2 hybridization what happened to orbital which is sp3 hybridized in first case how hybridization state change please answer briefly