The Basics of Organic Nomenclature: Crash Course Organic Chemistry #2

Language is complicated, especially in organic chemistry. This episode of Crash Course Organic Chemistry is all about nomenclature. We'll dive into IUPAC systematic naming of organic molecules, and get to practice with the help of three trusty steps!
Episode Sources:
IUPAC Organic Chemistry Nomenclature for organic compounds, www.acdlabs.com/iupac/nomencl...
Series Sources:
Brown, W. H., Iverson, B. L., Ansyln, E. V., Foote, C., Organic Chemistry; 8th ed.; Cengage Learning, Boston, 2018.
Bruice, P. Y., Organic Chemistry, 7th ed.; Pearson Education, Inc., United States, 2014.
Clayden, J., Greeves, N., Warren., S., Organic Chemistry, 2nd ed.; Oxford University Press, New York, 2012.
Jones Jr., M.; Fleming, S. A., Organic Chemistry, 5th ed.; W. W. Norton & Company, New York, 2014.
Klein., D., Organic Chemistry; 1st ed.; John Wiley & Sons, United States, 2012.
Louden M., Organic Chemistry; 5th ed.; Roberts and Company Publishers, Colorado, 2009.
McMurry, J., Organic Chemistry, 9th ed.; Cengage Learning, Boston, 2016.
Smith, J. G., Organic chemistry; 6th ed.; McGraw-Hill Education, New York, 2020.
Wade., L. G., Organic Chemistry; 8th ed.; Pearson Education, Inc., United States, 2013.
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[@arnaugarcesbaldo4350]

"chemists don't usually deal with more than 12-atom chains..." Fatty acids: Hi!

[@drakesmith471]

Arnau Garcés Baldó [insert VeggieTales meme] “Allow us to introduce ourselves.”

[@clssgn]

To be fair fatty acids does have their own respective trivial names according to the long of the chain, like palmitic and stearic which is not telling you much too but it's easier to remember rather than remembering each number like C-20 is icosanoic and as she said despite all the effort, still many people use trivial name like palmitic acid for fatty acid with C-16 and stearic acid for C-18 😂😂😂

[@drakesmith471]

@@clssgn that's cool. I didn't know fatty acid names.

[@arnaugarcesbaldo4350]

@@clssgn yeah, that's true, even more in the biochemistry realm, we avoid almost all kind of sistemàtic nomenclature XD

[@clssgn]

Drake Smith yeahh they do, usually the common ones do. And for other nomenclature also I think it's possible just using lipid number to identify the lipid, but that's just another thing specific to lipid. Still IUPAC nomenclature is the most general one. 😃😃

[@geofferyhoodric247]

This video taught me more in 13 minutes than my chemistry teacher did in 2 months of online school.

[@creepypastaexplained4945]

Who else is finished with organic chemistry I, but is going to watch this entire series

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20 years ago

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ME!!!! 😂

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i forgot what i learned back in high school XD

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Goes to show that we chemists are passionate about our area 🥰

[@phenomenalphysics3548]

@@TinoPetersson totally! and all because organic chemistry is such a subject. It's my favorite type of chemistry!

[@niemandwirklich]

"Chemists usually don't deal with longer then 12 chains..." Cries in Polymer-Chemist Cries in Bio-Chemist

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cries in dendridic chemistry even harder

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Laughing in Polymer Scientist XD

[@mastersonogashira1796]

Chem student: let me grab some 10mM tris(hydroxymethyl)aminomethane buffer of pH 8 Biochem student: let me grab that buffer of mysterious contents with unknown ratio that probably should extract DNA Ps: yea I totally googled what’s in tris buffer...

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Please post the entire organic Chem series FAST! I mean like this week! I NEED MORE OF THIS FOR MY STUDIES! It's great.

[@Yokuyin]

My molecule didn't include any bromine substituents No Bromo

[@NuclearTopSpot]

But why would you 'no Bromo'? Mount Bromo is an active volcano in East Java, Indonesia. I personally wouldn't mess with it 2,329 meters of lava spewing chunck of rock. No flowmo tho

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So not the Belousov-Zhabotinsky?

[@Felixkeeg]

"Hey, that's not too difficult" Stereochemical suffixes have entered the chat

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E or Z has joined the party.

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@@Nanook128 cis/trans, R/S, D/L, fac/mer, anti/syn...

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It's been 11 years since I last took Organic. Time for a refresher!

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[@jasonyoungberg2115]

Something that wasn't mentioned at the end is that the Carbon atom has its four bonding points in a pyramid shape (like a 4-sided die). That puts any two corners next to each other. So in the diagram of the Cl2C molecule, it doesn't matter where the Cl atoms are in the skeleton (either adjacent or opposite).

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[@RahulJoshi-pz8yp]

If the four substituent groups were different though (example 1-Bromo-1-chloro-1-iodomethane), then the location of atoms in the structure matters because of stereochemistry (YAY?). Check out the R/S (rectus/sinister) configuration for more information. Granted, this Crash Course can never cover that level of detail and still be a *Crash* Course. I do hope they cover a bit of stereoisomerism though.

[@Suitswonderland]

Starting a bachelor's degree this year, hopefully ending in a PhD in pharmacognosy, the more I can memorize the basics the better I will be when it becomes more complexed. Thanks for the video, hopefully we have a crash course on pharmacognosy and also endobotany one day.

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[@MrRuelTuition]

Excellent explanation on the reason for IUPAC nomenclature!

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Can u guys make a Geography Crash Course please ??? The world needs you !!

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The set in this is awesome. I adore purple things. 😊

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12 min 47 sec.. WELL DONE !! Definitely a Crash Course worth zooming through !! Helps my High School Chemistry students 😁👍🏻

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Organic Chemistry is hard but the further we dive into the more amazing outside the boundary

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Naming can be so confusing! Very useful to know. This made it very understandable.

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I’m starting Organic Chem in the fall so thank you!!

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This series is just amazing

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I don't get the names like methyl and stuff. why those names

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I’m taking organic chemistry 1 in a week. This was a good refresher

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Oh my, this is simply awesome! ❤ Wish this video existed 30 years ago when I took O Chem 😅

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I call a carbonated beverage by it's flavor or brand name (Coke, Pepsi, etc), and use the terms 'drink', 'soft drink', "carbonated beverage" etc when speaking generically. When I was younger and less articulate and careful in word choices I may have used the phrase "soda pop" on occasion, but since my Dad always said 'soft drink', and more often used brand and flavor names, I picked up on that.

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Thanks for the tutorial on enchanting table language!

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I have a chem exam in July .. and I'm waiting for this crash course to reach the actual reactions lol

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Good way to remember suffix orders my teacher gave us was "ok mc Donald's had a farm -ene -yne, -ene -yne -ol"

[@ahasiikuyu8001]

AT 9'36'' ETHYL 5 CARBONS INSTEAD OF THE 6 THAT SHE SAID. KEKULE STRUCTURES ARE SO SCARY WHEN ONE CANNOT DRAW AND UNDERSTAND THEM, BUT ONCE YOU HAVE MASTERED THEM THEN IT IS VERY FUN TO PLAY WITH THEM, VERY HELPFUL CANNOT WAIT FOR THE NEXT EPISODES

[@Quintinohthree]

She said "...ethyl group, which is 2 carbons and 6 hydrogens, at carbon 3..." which should have been "...5 hydrogens..." so you may actually have found a mistake but you are mistaken in how you articulate it.

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This is great cause I just started organic chemistry

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If this series had come out 6 years ago, I would've aced year 12 Chemistry

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Love this💜

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I like the purple, pretty cool, especially the microscope.

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You made this so easy :).

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Great session Ms

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I'm taking Chemistry HL for IB next year, this couldn't have come at a better time!

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HitzCritz a tip for IB cuz Im doing it now, master your stoichiometery asap

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I barely understand anything she’s saying but I’m still going to try to watch all these videos and come out with at least one new thing learned!

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All are good, but Carrie Anne Philbin is the best teacher in my opinion. Thank you, to all the teachers for their effort.

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C'mon Crash Course Linguistics, we need you!!

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When I was a kid, my teacher has always told me not to put in my mouth anything I couldn’t read. Then again, Dihydrogen Monoxide doesn’t exactly roll of the tongue either.

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Liked it, expecting new videos soon 👍🏼

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I missed my first chemistry lecture in which organic chemistry was introduced and l was like what am l going to do as l was nit understanding a word of anything when l tried to read from my textbook... so honestly this series has been a life saver, I am sure l would have failed this year without it ... 🙏🏻🙏🏻🙏🏻🙏🏻 Ps - l now understand it better than those who attended the lecture

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More than the other sciences, chemistry always feels like the first part of any course is designed to put you off. I sure hope this gets easier and more interesting (I'm sure it will and I know this stuff is important).

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This couldn't have come at a better time for me lmao

[@imane2858]

Thank you for the great explanation ! May anyone please tell me why did we draw the molecule oct-4-yne that way and not in zigzag ? 6:46

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I LOVE IT

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I wish this course could be finished in 3 weeks before my organic chemistry exam:(

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If this existed when I was in first year of pharmacology, I wouldn't have dropped out

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You guys should do a crash course law, it would definitely help people prepare for law school, also its a fun topic

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Had to start this series right as I'm finishing ochem lol

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My ochem prof told us to remember "my elf pukes blood" to remember meth, eth, prop, and but

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Where was this when I was actually taking chem 250😅🤦‍♀️

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THANK YOU

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Man, KZbin should've picked up on all these kinds of videos 7 years ago. 😜 Teaching vids were pretty low-tech back then, even Khan Academy had those growing pains. This makes o-chem interesting. 😂

[@Quintinohthree]

I'm guessing every video introducing a new functional group will include an intermezzo on nomenclature?

[@MolecularMemory]

Yep! A couple nomenclature heavy episodes and then we plan to sprinkle a little naming throughout the series-I'm part of the content team :)

[@Quintinohthree]

@@MolecularMemory Excellent.

[@Bailliemariee]

At 6:45, how come the "Oct-4-yne" isn't a Hex-3-yne? I'm new and confused LOL!

[@Quintinohthree]

I think you might be counting just the bends as carbons, when there is also a carbon on every straight line where another parallel line starts or ends. You don't put a bend in the line at the start of a triple bond because atoms attach to a triple-bonded carbon at 180 degrees unless forced, and the way you draw the structure is supposed to resemble the actual geometry to a decent approximation, so that's why we usually draw triple bonds as continuing the line on which they start. Either that or you're missing the ends of the lines.

[@Bailliemariee]

@@Quintinohthree You were exactly right, that is why I was confused. That makes perfect sense. Thank you!

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I just use ChemDraw struct to name for anything reasonably complicated. Pretty sure most chemists do too.

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Thanks Aunt

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well, it's not available in my country. Damn crash course. But why do i still love you???😭😭

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Thanks