The Third Most Important Question to Ask When Learning A New Reaction
…as in “how do the electrons move?”. In other words, “in what sequence do these bonds form and break?” And that will open up a new set of questions. So…
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How To Prepare for Organic Chemistry Exams
A common problem students tell me is that they feel that they know the material, but when they write an exam, they don’t do well. It’s hard to isolate the…
Read moreAlkene Addition Pattern #3: The “Concerted” Pathway
…p.43 (1978). DOI: 10.1021/orgsyn.058.0043 A reliable procedure for the Upjohn dihydroxylation in Organic Syntheses. Note that the name comes from the Upjohn company in Kalamazoo, MI (later acquired by Pfizer),…
Read moreLearning New Reactions: How Do The Electrons Move?
…I think it is: “how do the electrons move?” [I have a friendly disagreement with a lot of instructors on this point, since it’s common to claim that this is…
Read moreThe SN1 Mechanism
…of the SN1 Reaction Notes Quiz Yourself! (Advanced) References and Further Reading 1. Stereochemistry Of The SN1 Reaction: A Mixture of Retention and Inversion is Observed If we start with…
Read moreFrost Circles
…charged anions, COT2− exists in isolation only… as a short-lived resonance state lying above neutral COT” “….Charge-compensating complexation of COT2−with two sodium cations results in a thermodynamically stable Na2COT compound”…
Read moreNaming Bicyclic Compounds – Fused, Bridged, and Spiro
…Bicyclic Compounds – A Five-Step Guide A Few More Examples Of Bridged Bicyclic Molecules Naming Spiro Compounds Summary: Naming Bicyclic Compounds Notes (and a complex example) (Advanced) References and Further…
Read more“America’s Top TA” Shares His Secrets For Teaching O-Chem
[image photo credit: www.nyapplecountry.com] What does it take to be a great organic chemistry TA? A few weeks ago, Dan Coiro, a graduate of Rutgers University, was awarded the title…
Read moreThe SN2 Mechanism
…in reaction rate for the SN2 reaction of R-Br with OEt- when R goes from methyl -> ethyl -> n-propyl -> isobutyl -> t-amyl. This can be attributed to sterics,…
Read moreProblem Solving In Organic Chemistry
…who discusses them in this short (6 min) video. In short, the key problem solving skills in organic chemistry involve: “wrestling with and resolving ambiguities” “filtering relevant from irrelevant information”…
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