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Dimethoxytrityl, often abbreviated DMT, is a protecting group widely used for protection of the 5'-hydroxy group in nucleosides, particularly in oligonucleotide synthesis. [ 1 ] It is usually bound to a molecule, but can exist as a stable cation in solution, where it appears bright orange.
There are three main methods for the preparation of nucleoside phosphoramidites. DMT = 4,4'-dimethoxytrityl; B = optionally protected nucleic base; R = phosphate protecting group The common method involves treatment of a protected nucleoside bearing a single free hydroxy group with phosphorodiamidite under the catalytic action of a weak acid.
The 5'-hydroxyl group is protected by an acid-labile DMT (4,4'-dimethoxytrityl) group. Thymine and uracil, nucleic bases of thymidine and uridine, respectively, do not have exocyclic amino groups and hence do not require any protection.
Dimethoxytrityl, [bis-(4-methoxyphenyl)phenylmethyl] (DMT) — Removed by weak acid. DMT group is widely used for protection of 5'-hydroxy group in nucleosides, particularly in oligonucleotide synthesis. Methoxytrityl [(4-methoxyphenyl)diphenylmethyl] (MMT) – Removed by acid and hydrogenolysis.
DMT is an abbreviation of N,N-Dimethyltryptamine, ... Dimethoxytrityl, a protecting group used in oligonucleotide synthesis; Other uses in science and technology
Psilacetin, also known as O-acetylpsilocin or as 4-acetoxy-N,N-dimethyltryptamine (4-acetoxy-DMT or 4-AcO-DMT), is a semi-synthetic serotonergic psychedelic drug that has been suggested by David Nichols to be a potentially useful alternative to psilocybin for pharmacological studies, as they are both believed to be prodrugs of psilocin.
NBoc-DMT, or NB-DMT, also known as N1-tert-butoxycarbonyl-N,N-dimethyltryptamine, is a serotonergic psychedelic of the tryptamine family. [ 1 ] [ 2 ] It is a novel designer and recreational drug and is a synthetic modification of dimethyltryptamine (DMT) with an N′ - tert -butyloxycarbonyl (NBoc) group .
6-MeO-DMT, or 6-methoxy-N,N-dimethyltryptamine, also known as 6-OMe-DMT, is a serotonergic drug of the tryptamine family. [ 1 ] [ 2 ] It is the 6- methoxy derivative of the serotonergic psychedelic N , N -dimethyltryptamine (DMT) and is a positional isomer of the serotonergic psychedelic 5-MeO-DMT .