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There’s a lot of sugar nomenclature to know! This post aims to collect the most commonly encountered terms in a typical second-semester organic chemistry course.This reference document from IUPAC was extremely helpful in the preparation of this post.Feedback...
Today we’ll cover how to tellendo– andexo-products apart in the Diels-Alder reaction. Shortcut below.For the long winded walkthrough with lots of examples, read the post.Exo and Endo Products in the Diels-AlderIn this series of articles on the Diels-Alder...
Some time ago, we learned how to turn alkenes into carbonyls via ozonolysis.But we haven’t yet learned how to go in the opposite direction – from carbonyls to alkenes.I like to think of functional groups like airports, and reactions as being like...

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In the previous post in this series, “On Conjugation and Resonance“, I warned that in order to gain a deeper understanding of some of the concepts ahead, we’regoing to need to go into MO theory.But before we do… shall we talk about dating?...
Zed Shaw teaches a course in writing Python called “Python the Hard Way“. Because the hard way is easier, he says.In the end, he’s right. If you really want to learn organic chemistry, the hard way is easier. In graduate school I had to un-learn...
Last time we talked about how some interesting electronic effects can lead to unexpected results in organic chemistry. Today we look at three examples of how steric factors can lead to unexpected products (or lack of products). The last example is a case where...

Latest posts linking here

A list of small, useful things (links): Anyone facing a writing deadline (looking at you, thesis writers) (looking right back at you, CJ - ed.) should read Dan Drezner's post on writing a non-fiction book. I have been remiss in not linking to...
A bit of a lack of exciting syntheses so far this week, so here's some methodology and random reflections and recollections.I don't mind that we don't get told the whole truth as undergraduates, because most of us can't handle the truth (well, not all of it)....
This is a loose transcript of the Syllabus Day speech I gave my Organic Chemistry I class on the first day of fall semester this week. Organic Chemistry I is the first of a two semester sequence at my small, Midwest, liberal arts university. Our five organic...