On Cats, Part 4: Enantiocats
A few weeks ago we moved away from our old neighborhood where I first saw Sawhorse Cat. However a few days ago my friend Walter
Read morestereoisomers
On Cats, Part 6: Stereocenters
Let’s recap what we’ve talked about so far. Sawhorse cat and Freaky Sawhorse cat are constitutional isocats. But Freaky Sawhorse Cat has a mirror image of
Read moreTypes of Isomers: Constitutional Isomers, Stereoisomers, Enantiomers, and Diastereomers
Classification of Isomers Given that this is a long post, here’s a quick index. The concept of how molecules can be “related” Non-isomers versus isomers
Read moreEnantiomers vs Diastereomers vs The Same? Two Methods For Solving Problems
This post on how to solve “Enantiomers vs. Diastereomers vs. the Same?” problems (among other things) is a little long, so here’s a partial index.
Read moreCis And Trans Cycloalkanes
In the last post, we mentioned that one of the consequences of the fact that carbon can form rings is that small rings (less than
Read moreSelective vs. Specific
Many of the transformations you will encounter have the potential to create multiple products – isomers – from a single starting material. The reactions shown
Read moreIntroduction to Addition Reactions
Following up on the 4 most important reactions you learn in Org 1, and the posts on acid-base and substitution reactions, here’s the third in
Read moreOn Cats, Part 5: Enantiocats vs. Diastereocats
I was out for a walk the other day and I saw 3 of the weirdest/ugliest looking cats I’d ever seen.Even weirder than Freaky Sawhorse
Read moreEphedrine and Pseudoephedrine
These molecules make the news quite a bit. Some questions to think about: What’s the (R),(S) designation for the stereocenters of ephedrine and pseudoephedrine, as
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