Polar Protic? Polar Aprotic? Nonpolar? All About Solvents
…less than consistent about when to include solvents and when not to. So the whole exercise can come across as somewhat arbitrary: when do you know when to include the…
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Equilibrium and Energy Relationships
…“For Free” By Lowering The Temperature Up until now we’ve been examining the relationship between free energy and equilibrium constant at room temperature (298 K) What happens to the equilibrium…
Read moreBlog Carnival: What the Cope Rearrangement Taught Me About Chemistry
…discovered a new oxy-Cope reaction. Now, I know what you’re thinking – “wait a second – didn’t Leo Paquette do all of those?”. Uproarious laughter from the crowd. Killin ’em!…
Read moreReagent Friday: Raney Nickel
…profile a different reagent that is commonly encountered in Org 1/ Org 2. Named reagents have a slightly mysterious air to them, conjuring up (for me, anyway) the image of…
Read moreWittig Reaction
…1979 Nobel Prize in Chemistry (along with the father of hydroboration, H.C. Brown). The two components of this reaction are: a carbonyl compound (aldehydes and ketones both work, but not…
Read more3 Factors That Stabilize Carbocations
…structure and properties of the vast majority [Note 2] of carbocations closely resemble those of neutral boron compounds. Both carbocations and neutral boron compounds generally have an sp2-hybridized central atom…
Read moreReagent Friday: Sodium (Na)
…that is commonly encountered in Org 1/ Org 2. Today’s topic, sodium metal is a pretty notorious reagent. You might know it from Youtube as “That solid that you drop…
Read moreWhat makes a good leaving group?
Good Leaving Groups Are Weak Bases A leaving group (a.k.a. “nucleofuge”) is the new Lewis base that is generated in various substitution and elimination reactions when a new bond is…
Read moreGuest post: “I went from being afraid of tests to actually looking forward to them”.
…towels are free, and blue ink shows up on them well. I’d put a red mark next to every question I missed. And I’d write comments and hints in the…
Read moreThe SN1, E1, and Alkene Addition Reactions All Pass Through A Carbocation Intermediate
…addition products. The pathway A –> C –> D is an example of alkene addition. 2. The Carbocation Intermediate From The SN1 Reaction Alternatively the carbocation can be generated through…
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