Carbohydrates

Mutarotation

Mutarotation

August 17, 2017

In our recent post on ring-chain tautomerism, we said that there are two isomers of D-glucose in its 6-membered ring (“pyranose”) form. These two diastereomers – which, to make matters more confusing…

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Pyranoses and Furanoses: Ring-Chain Tautomerism In Sugars

Pyranoses and Furanoses: Ring-Chain Tautomerism In Sugars

July 13, 2017

The Many Forms Of Glucose What’s the structure of glucose? A simple question! but one with many “right” answers. The first question to ask, which we covered in our recent post on D- and L- sugars,…

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D and L Sugars

May 24, 2017

What differentiates “D-glucose” from “L-glucose” ? Or D-alanine from L-alanine? What’s this D- and L- nomenclature, anyway? For everyone in a rush, here is the quick and dirty answer: For…

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