nomenclature

Determining R/S (2) – The Method of Dots

Determining R/S (2) – The Method of Dots

January 17, 2017

This post was co-authored with Matt Pierce of Organic Chemistry Solutions.  Ask Matt about scheduling an online tutoring session here. In our first post on the Cahn-Ingold-Prelog (CIP) Rules, we gave a broad overv…

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Alkene Nomenclature: Cis and Trans and E and Z

Alkene Nomenclature: Cis and Trans and E and Z

November 3, 2016

This post was co-authored with Matt Pierce of Organic Chemistry Solutions.  Ask Matt about scheduling an online tutoring session here. Earlier on our MOC series on cycloalkanes, we saw that a key feature of small …

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Organic Chemistry IUPAC Nomenclature Demystified With A Simple Puzzle Piece Approach

Organic Chemistry IUPAC Nomenclature Demystified With A Simple Puzzle Piece Approach

October 21, 2014

IUPAC Nomenclature Demystified with a Simple Puzzle-Piece Approach, by Leah Fisch Note from James: This is a guest post by Leah Fisch of Leah4Sci.com , an online resource for learning organic chemistry, MCAT preparat…

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Alcohols (1) – Nomenclature and Properties

Alcohols (1) – Nomenclature and Properties

September 17, 2014

In this next series of posts we are going to discuss the reactions of alcohols. As a functional group, alcohols are introduced fairly early in organic chemistry. Their reactions, however, are usually not covered until…

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Khan Academy for Organic Chemistry – Part 5

Khan Academy for Organic Chemistry – Part 5

October 23, 2012

IN this post (the 5th of 6) we go through videos 52-64 of Khan Academy for Organic Chemistry, covering mostly aromatic compounds and aldehydes/ketones. [For previous posts, see Part 1, Part 2, Part 3, Part 4] Video #5…

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Weird Nomenclature In Carbonyl Chemistry

Weird Nomenclature In Carbonyl Chemistry

March 26, 2012

Making it through the chemistry of carbonyl derivatives (ketones, aldehydes, carboxylic acids, esters, and more) there are at least two “weird” nomenclature issues that repeatedly come up to baffle student…

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Don’t Be Futyl, Learn The Butyls

Don’t Be Futyl, Learn The Butyls

November 10, 2011

Nomenclature: what a headache. We’ve got all these accumulated years of jargon regarding chemical structures, and unless you learn the lingo, it can be confusing to follow what’s going on. Case in point: b…

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Hidden Hydrogens, Hidden Lone Pairs, Hidden Counterions

Hidden Hydrogens, Hidden Lone Pairs, Hidden Counterions

June 27, 2011

Time is precious. Drawing the full structures of chemical formulae out is a gigantic pain. From a distance, maybe an extra 10-20 seconds here or there might not sound like a lot to you, but you might be surprised by w…

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Condensed Formulas: Deciphering What the Brackets Mean

Condensed Formulas: Deciphering What the Brackets Mean

June 20, 2011

Recall that there are at least 4 major ways of representing molecules that you’re introduced to in the first week of ochem. The highest level of detail is the Lewis dot structure, which shows where all the elect…

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Draw The Ugly Version First

Draw The Ugly Version First

May 31, 2011

When figuring out what the product of a reaction is, there are really two important steps. 1. Figuring out where the electrons go. 2. Drawing the product. I’d say at least 70-80% of the difficulty students have …

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