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Issue 29, 2020
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Synthesis of novel homoazanucleosides and their peptidyl analogs

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Abstract

Synthesis of novel homoazanucleosides and their peptidyl analogs as hybrid molecules comprised of amino acids, an iminosugar and natural nucleobases is reported for the first time. A pluripotent amino-substituted chiral polyhydroxypyrrolidine, possessing orthogonally different functional groups on either arm of the pyrrolidine ring, served as an ideal substrate for the synthesis of the proposed peptidyl homoazanucleosides. The acid sensitive primary benzyloxy group, on one arm of the pyrrolidine ring, after selective deprotection, was utilized for the introduction of nucleobases to obtain the homoazanucleosides. The amino group on the other side offered the opportunity to be coupled with amino acids to deliver the desired peptidyl homoazanucleosides. Glycosidase inhibition studies revealed that the acetamido derivatives of homoazanucleosides were found to be sub-millimolar inhibitors of β-N-acetyl-glucosaminidase.

Graphical abstract: Synthesis of novel homoazanucleosides and their peptidyl analogs

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Article information


Submitted
20 May 2020
Accepted
01 Jul 2020
First published
01 Jul 2020

Org. Biomol. Chem., 2020,18, 5639-5651
Article type
Paper

Synthesis of novel homoazanucleosides and their peptidyl analogs

R. V. Salunke, P. K. Mishra, Y. S. Sanghvi and N. G. Ramesh, Org. Biomol. Chem., 2020, 18, 5639
DOI: 10.1039/D0OB01046D

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