Optical Rotation, Optical Activity, and Specific Rotation If you’ve been learning about stereochemistry, enantiomers, and diastereomers, the following might sound familiar: Diastereomers have different physical
Read moreHow To Interpret IR Spectra In 1 Minute Or Less: The 2 Most Important Things To Look For [Tongue and Sword] Last post, we briefly introduced
Read moreIR Spectroscopy Practice Problems By itself, Infrared (IR) spectroscopy isn’t a great technique for solving the structure of an unknown molecule. However, we’ve seen that
Read moreHow Many Unique 1H NMR Signals In A Molecule? How many signals will appear in the proton (1H)NMR spectrum of a molecule? If the answer
Read moreHomotopic, Enantiotopic, and Diastereotopic Groups: What Does It Mean? When you have two hydrogens attached to a single carbon, they can have three different types
Read moreDiastereotopic Protons In Alkenes, Cyclic Molecules, and Molecules Containing a Chiral Center Diastereotopic protons are chemically non equivalent protons that each produce distinct chemical shifts.
Read moreChemical Shift Equivalence – How Many Unique Signals? 13C NMR (proton-decoupled) Just like with 1H NMR, chemical shift equivalence applies to 13C NMR. A spectrum
Read moreThe Organic Chemistry Of… Doe Urine? That’s right. The organic chemistry of doe urine is awesome! Table of Contents About That Time My Car Got
Read moreNatural Product Extraction: Obtaining Molecules From Organisms “Let’s plant catnip”, they said. “It will keep away mosquitoes”, they said. [from r/pics . h/t @curiouswavefn] In the
Read moreOne of the most common complaints I hear from readers of Master Organic Chemistry is that there isn’t a lot of coverage of spectroscopy. And I’ve
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