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I joined Professor Snyder's synthetic organic lab group September 1995. I have been assigned my own project under his supervision. The research involves synthesizing a series of triazines with varying substituents. Triazines are molecules with three nitrogen atoms in its structure. These compounds will then be used as prototypes so that I may test different cyanide replacement reactions. In these reactions, cyanide replaces a specific original substituent on the triazine. Cyanide withdraws electrons from the rest of the molecule, making the atoms around the cyanide "electron-deficient". Dr. Snyder's lab synthesizes ringed molecules through an "inverse Diels-Alder" reaction. Generally, an orbital of an electron-deficient molecule with a "double-single-double" bond sequence overlaps with an orbital of an electron rich reactant. The overlapped orbitals form a bond, which in turn forms the reactants into a ringed molecule. Cyanide displacements are thus an important technique in preparing electron-deficient reactants to form ringed molecules.
The triazine series will also be used as testing molecules in the development of a "nitrogen-15" probe. Dr. Hodge Markgraf from Williams College is developing a nuclear magnetic resonance machine for the nitrogen-15 atom. NMR determines the structure of a molecule by plotting the nuclear-spin transitions of the atoms when exposed to an external magnetic field. So far, NMR has mainly focused on the hydrogen-1 and carbon-13 isotopes. The N-15 atom is also NMR active because it has an uneven number of protons (7) and therefore has magnetic properties.
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"Traditional Medicines: Tomorrows Miracle Drugs." 123HelpMe.com. 14 Aug 2018
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