Adrenal Fatigue: The 21st Century Stress Syndrome…

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Adrenal Fatigue: The 21st Century Stress Syndrome. by Lara Pizzorno, MDiv, MA, LMT

Abstract Synthesis of O-methylated glycolipids related to the sugars in PGLs via direct stereoselective glycosidation is reported. Treatment of 2-O-methyl-rhamnosyl imidates with I2 and n-Bu4NOTf resulted in their activation under low temperature and provided the α-rhamnosides with excellent α-selectivity. n-Bu4NOTf enhanced the electorophilicity of iodine. This methdology improved the effciency of the synthesis of both PGL-1 and PGL-tb1 sugars. The process involved the formation of 2-O-naphthylmethyl-α-rhamnoside and 2-O-methyl-α-fucoside. Sequential Suzuki-Miyaura coupling using synthetic...

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Despite the unrelenting pace of research in catalytic asymmetric chemistry, relatively few catalytic enantioselective processes are currently operated on a commercial scale. Until more bio- and chemocatalytic chiral routes are developed that are robust and cost-effective for large-scale production, the bulk of optically pure compounds will have to be prepared through traditional chemistry, including conventional syntheses based on chiral substrates or stoichiometric chiral induction and separations, such as chromatographic resolutions.