WebThis chapter enables the reader to carry out the solid-phase synthesis of ribonucleic acid (RNA) using β-cyanoethyl phosphoramidite chemistry combined with tert-butyldimethylsilyl protection of the ribose 2′-hydroxyl group.Phosphoramidite monomers are activated with 5-benzylmercapto-1H-tetrazole enabling fast and highly efficient coupling to the 5′-hydroxyl … WebProtection/Deprotection Reagents; 226149; All Photos (4) 226149. tert-Butyldimethylsilyl trifluoromethanesulfonate. reagent grade, 98%. All Photos (4) Synonym(s): TBDMS triflate, …
One-Pot Oxidative Deprotection of Aliphatic tert-Butyldimethylsilyl ...
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6‐Gingerol and Semisynthetic 6‐Gingerdione ... - Semantic Scholar
WebGlen Research CE (ß-cyanoethyl) Phosphoramidites for RNA synthesis are produced and packaged to ensure the highest performance on commercial synthesizers. Every batch is accompanied by a Certi cate of Analysis and an HPLC trace, showing the results of our QC testing. RNA Phosphoramidites are synthesis-tested with a minimum coupling ef ciency ... WebMar 8, 2014 · 2. Deprotection Akin to protection, the deprotection proceeds through pentacoodinated intermediates.This is no different under acidic conditions. The reaction mechanism is unlike the S N 1 path in carbon chemistry as silyl cations are unstable. The driving force of fluoride-based deprotection is the formation of Si-F bond, which is about … WebOct 2, 2024 · Synthesis of 6‐gingerdione, 7 from 6‐gingerol was then achieved through selective –OTBDMS protection, DMP oxidation and deprotection reaction sequence for the first time. Compounds 1, 7 and 8 (dehydrozingerone) exhibited excellent cell‐free antioxidant properties in DPPH, ABTS, superoxide radical scavenging assay and H2O2 assay at 10–50 … ipsos footfall counter