…patterns 13C NMR spectroscopy (2 pages) – Introduction + determining # of signals 1H NMR spectroscopy (6 pages) Introduction, determining # of signals, integration + chemical shift, splitting (2 pages),…
Read more…cancer cell lines) a more complex series of extractions are often performed after the initial one, involving adjusting the pH to separate acidic and basic components. One example (often used…
Read more…thermodynamically uphill by a large margin). The remaining 9 should be completely inert. Rather than investing in refrigeration or preservatives, the choice of Collora’s company has been to freeze-dry the…
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Read more…we’ve gone over so far. How many signals would each molecule below produce in a 13C NMR experiment? Each of these compounds produce 3 signals! Like the previous examples, we…
Read more…(IHD) of 1, so either a double bond or ring is present in the molecule. This immediately rules out d) whose IHD is zero and thus has a molecular formula…
Read more…the protons’ diastereotopic relationships. Replacing Ha with D leads to the (R,R) compound, while replacing Hb with D leads to the (R,S) compound. The two new compounds are diastereomers, confirming…
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Read more…When Does It Matter? Notes 1. When Is “Homotopic, Enantiotopic, Diastereotopic” Important? Certain reactions directly replace hydrogens with other atoms. For example, free radical chlorination replaces C-H bonds with C-Cl…
Read more…HOOH or any other comparably acidic species as the acid. Quiz Yourself! Click to Flip Click to Flip Click to Flip Exam-Type Examples Click to Flip Click to Flip Click…
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