WebTritylation of 2-N-acetyl-6-O- ( (4-nitrophenyl)ethyl)guanosine (4) with TrCl/DMAP followed by TrCl/AgNO 3 afforded a mixture of isomeric 3′,5′-di-O-trityl and 2′,5′-di-O-trityl derivatives 6 and 7, which were separated on a silica gel column to … WebJan 1, 1987 · The interaction of tetra- n -butylammonium perchlorate with dimethoxytrityl chloride in the presence of 2,4,6-collidine in dichloromethane permitted a rapid and high yield tritylation of nucleosides or nucleotides covalently attached to a solid support. Graphic Download : Download full-size image
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WebTrityl Protection Common Conditions (Protection): Trityl Chloride + Base Trityl protection is typically performed using trityl chloride in the presence of a base. Examples Mechanism Common Conditions (Deprotection): TFA Trityl deprotection is often acheived via treatment with trifluoroacetic acid ( TFA ). Examples Webtritylation ( plural tritylations ) ( organic chemistry) The addition of a trityl protecting group. Categories: English terms suffixed with -ation. English lemmas. English nouns. English countable nouns. en:Organic chemistry. knight rider goliath truck
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WebMar 27, 2015 · Tritylation at the primary hydroxyl group of 11–15 with DMTrCl and phosphitylation at the secondary hydroxyl group yielded phosphoramidites 21–25. The amidites 21–25 were incorporated into ONs using conventional solid-phase phosphoramidite synthesis and purified by reverse-phase HPLC. The ON sequences used … WebOct 7, 2009 · A simple and efficient protection of alcohols as trityl ethers is described using trityl chloride in the presence of 5 mol% FeCl 3 as catalyst in ionic liquids at room temperature in shorter reaction times. This mild and efficient method gives access to the protection of a wide range of alcohols in good yields. http://commonorganicchemistry.com/Rxn_Pages/Trityl_Protection/Trityl_Protection_Index.htm knight rider guyana