Professor Dave Explains
Practice-Problem: Three-Reaction Pathway
We've got a starting material, and we are subjecting it to a series of three reaction conditions. What do we get? See if you can find out!
Professor Dave Explains
Practice Problem: Synthetic Strategy
We've got starting material and we've got a target molecule, and we've gotta figure out how to make the transformation in just two steps. Sift through that bag of synthetic tricks!
Professor Dave Explains
Practice Problem: Hydrogenation, Isomerism, and Cyclohexane Chairs
For this one we need to understand the stereospecificity of hydrogenation over platinum metal, stereochemical relationships, and the relative stability of cyclohexane chair conformations.
Professor Dave Explains
Practice Problem: Crossed Aldol Products
Enolate chemistry is tricky business! You might get more products than you think. Give this one a shot.
FuseSchool
What Are Structural Isomers
In this video we will look at some different structures of butane - so they all have 4 carbons but just arranged differently. We will also look at the the 5 different isomers for hexane - they all have 6 carbons (and hence are hexane...
Professor Dave Explains
Elemental Analysis: Empirical and Molecular Formulas
There's a thing with carbon and hydrogen in it. But how many of each?! That's the kind of thing a chemist should know. So let's do some elemental analysis!
Professor Dave Explains
Practice-Problem: Two-Reaction Pathway
This time we have a starting material, and we are gonna do just two reactions. But it's a little tricky! See if you can figure it out.
Professor Dave Explains
The Antibiotics Revolution Part 2: Penicillins and Cephalosporins
We just finished learning about how the antibiotics revolution got started, with the sulfa drugs. Now let's move on to the classes of antibiotics that were discovered in the middle of the 20th century, the penicillins and the...
Professor Dave Explains
Practice Problem: Drawing Substitution and Elimination Products (SN1/SN2/E1/E2)
I know you guys are dying for more practice choosing between SN1/SN2/E1/E2 mechanisms, so hopefully this one helps a little. Make sure to look at all the factors we talked about in my tutorial on this topic!
Catalyst University
Corrin/B12 Biochemistry: Methylmalonyl-S-CoA Mutase Mechanism
Corrin/B12 Biochemistry: Methylmalonyl-S-CoA Mutase Mechanism
Professor Dave Explains
Practice Problem: Three-Step Synthesis
We've got an alkene starting material, and we are trying to get a specific alcohol. How can we do it in three steps? Give it a shot!
Professor Dave Explains
Practice Problem: Newman Projections of Conformational Isomers
Spin that sigma bond and what do you get? Draw the Newman projections and find out! Watch out for pesky gauche interactions.
Professor Dave Explains
Practice Problem: IUPAC Nomenclature Examples
Let's name these bad boys! Watch tutorials 1 through 5 on the organic chemistry playlist if you need a refresher of the rules.
Professor Dave Explains
Practice Problem: IUPAC Nomenclature and Stereochemistry
For this one we will have to be able to interpret IUPAC nomenclature to draw molecular structure, including absolute configuration using the Cahn-Ingold-Prelog convention.
Science360
Synthetic proteins: Mimicking the molecular machinery of life - Science Nation
Imagine synthetic antibiotics that could fight infections like MRSA, custom pharmaceuticals to treat advanced prostate cancer, and new enzymes that will turn cellulose into fuel. With support from the National Science Foundation (NSF),...
TMW Media
Properties Of Water: Future use of water
What research is being conducted currently? How does it work? If successful, how can it help society? What careers deal with science and water?
Properties Of Water, Part 5
Professor Dave Explains
Practice Problem: Aromaticity
Which ones are aromatic? Take your pick! Don't forget about Huckel's rule.
Professor Dave Explains
Organic Chemistry Synthesis Challenge 6
Need some organic chemistry practice? Here's a tricky synthesis to try!
Professor Dave Explains
Organic Chemistry Synthesis Challenge 1
Need some organic chemistry practice? Here's a tricky synthesis to try!
Professor Dave Explains
Organic Chemistry Mechanism Challenge 6
Need some organic chemistry practice? Here's a tricky mechanism to try!
Curated Video
Immune Privilege: Do Your Eyes Have a 'Separate' Immune System?
To protect your vision, the human eye gets something called immune privilege. It is basically a license that the body’s immune system gives to some organs, like the eyes and the brain. Immune privilege limits the response of the immune...
Professor Dave Explains
Practice Problem: Retrosynthesis of an Alcohol
For this one we need to understand the key points of retrosynthetic analysis. What reactions make alcohols? How can we put this molecule together?