Base Modifications of Nucleosides via the Use of Peptide‐Coupling Agents, and Beyond

MK Lakshman - The Chemical Record, 2023 - Wiley Online Library
Several naturally occurring purine and pyrimidine nucleosides contain an amide linkage as
part of the heterocyclic aglycone. Enolization of the amide and conversion to leaving groups …

Synthesis of ribavirin, tecadenoson, and cladribine by enzymatic transglycosylation

M Rabuffetti, T Bavaro, R Semproli, G Cattaneo… - Catalysts, 2019 - mdpi.com
Despite the impressive progress in nucleoside chemistry to date, the synthesis of nucleoside
analogues is still a challenge. Chemoenzymatic synthesis has been proven to overcome …

Application of diazonium chemistry in purine modifications: A focused review

S Sengupta, P Das - Journal of Heterocyclic Chemistry, 2022 - Wiley Online Library
Deaminative modifications of purines via diazonium chemistry have long been the
cornerstone in modified nucleoside synthesis. The purpose of this review is to bring into …

Facile functionalization at the C4 position of pyrimidine nucleosides via amide group activation with (benzotriazol-1-yloxy) tris (dimethylamino) phosphonium …

HK Akula, H Kokatla, G Andrei, R Snoeck… - Organic & …, 2017 - pubs.rsc.org
Reactions of Ot-butyldimethylsilyl-protected thymidine, 2′-deoxyuridine, and 3′-
azidothymidine (AZT) with (benzotriazol-1-yloxy) tris (dimethylamino) phosphonium …

Synthesis of new halo-substituted pyrazolo [5, 1-c][1, 2, 4] triazines

SM Ivanov, LM Mironovich, LA Rodinovskaya… - Russian Chemical …, 2017 - Springer
Abstract Ethyl 3-tert-butyl-4-oxo-7-X-4, 6-dihydropyrazolo [5, 1-c][1, 2, 4] triazine-8-
carboxylates (X= H, Cl, Br) were synthesized for the first time by diazotization of 7-amino-3 …

Pd/PTABS: An Efficient Water‐Soluble Catalytic System for the Amination of 6‐Chloropurine Ribonucleoside and Synthesis of Alogliptin

S Bhilare, SSM Bandaru, AR Kapdi… - Current Protocols in …, 2018 - Wiley Online Library
The synthesis and catalytic applications of the highly water‐soluble ligand 7‐phospha‐1, 3,
5‐triaza‐admantane butane sultonate (PTABS) has been described. The synthesized …

Synthesis and Evaluations of “1, 4‐Triazolyl Combretacoumarins” and Desmethoxy Analogs

TA Khandaker, JD Hess, R Aguilera… - European journal of …, 2019 - Wiley Online Library
1, 4‐Triazolyl combretacoumarins have been prepared by linking the trimethoxyarene unit of
combretastatin A4 with coumarins, via a 1, 2, 3‐triazole. For this, 4‐azidocoumarins were …

Синтез новых галогенопроизводных пиразоло[5,1-c][1,2,4]триазинов

СМ Иванов, ЛМ Миронович, ЛА Родиновская… - … Академии наук. Серия …, 2017 - elibrary.ru
Этил-3-трет-бутил-4-оксо-7-X-4, 6-дигидропиразоло [5, 1-c][1, 2, 4] триазин-8-
карбоксилаты (X= H, Cl, Br) впервые синтезированы диазотированием 7-амино-3-трет …

A novel bis (pinacolato) diboron-mediated N–O bond deoxygenative route to C6 benzotriazolyl purine nucleoside derivatives

V Basava, L Yang, P Pradhan… - Organic & biomolecular …, 2016 - pubs.rsc.org
Reaction of amide bonds in t-butyldimethylsilyl-protected inosine, 2′-deoxyinosine,
guanosine, 2′-deoxyguanosine, and 2-phenylinosine with commercially available peptide …

Improved Synthesis of Phosphoramidite-Protected N6-Methyladenosine via BOP-Mediated SNAr Reaction

S Shishodia, CJ Schofield - Molecules, 2020 - mdpi.com
N 6-methyladenosine (m6A) is the most abundant modification in mRNA. Studies on
proteins that introduce and bind m6A require the efficient synthesis of oligonucleotides …