2'-O-NMA Oligonucleotide Synthesis

2'-O-NMA oligonucleotide synthesis supports the synthesis of advanced sugar-modified oligonucleotides containing a 2'-O-NMA substitution at selected positions within an oligo sequence. In the literature, 2'-O-NMA has been evaluated as a specialized 2'-ribose modification in antisense oligonucleotide design and is often discussed in the broader context of next-generation sugar-modified RNA mimics and splice-switching oligonucleotides.^{[1], [2]}

2'-O-NMA belongs to the category of specialized 2'-sugar modifications, where structural tuning at the ribose 2'-position is used to explore oligonucleotide behavior, architecture, and fit within a custom design program. Broader reviews of oligonucleotide therapeutics provide useful context for how 2'-sugar modifications fit alongside established chemistries such as 2'-OMe, 2'-MOE, LNA, and phosphorothioate backbones.^{[3], [4]}

2'-O-NMA represents an emerging class of ribose modification currently under active investigation in next-generation antisense and RNA-targeting oligonucleotide design.

Bio-Synthesis supports 2'-O-NMA modified oligo synthesis as part of its broader expertise in advanced oligonucleotide chemistries, including custom backbone, sugar, and stereochemical modification strategies. If your desired chemistry or modification pattern is not listed, please contact us to discuss your project.

Note: Selection of 2'-modification strategy is typically dependent on sequence context, target biology, and overall oligonucleotide design objectives.

The 2'-position of the ribose sugar is commonly modified to tune hybridization, stability, flexibility, and overall design strategy. This table places 2'-O-NMA in context with common 2'-modified chemistries and broader mixed-chemistry oligo designs.

Note: These descriptors are generalized, design-oriented comparisons. Actual behavior depends on sequence context, backbone chemistry, placement pattern, and experimental conditions.

Selected references for 2'-O-NMA chemistry and the broader oligonucleotide-modification context. These citations are provided for scientific background and design context rather than product-performance claims.

• Freier, S. M. et al. Comparing in vitro and in vivo activity of 2'-O-[2-(methylamino)-2-oxoethyl]- and 2'-O-(2-methoxyethyl)-modified antisense oligonucleotides. J. Med. Chem. 2008. Europe PMC
• Bennett, C. F.; Rigo, F. Enhanced splicing modulation by NMA-modified antisense oligonucleotides. bioRxiv 2025. DOI
• Manoharan, M. Chemistry, structure and function of approved oligonucleotide therapeutics. Nucleic Acids Research 2023, 51(6), 2529-2573. DOI
• Antisense oligonucleotides: A promising advancement in treatment for neurodegenerative diseases. Pharmacological Research 2025. ScienceDirect
• Bio-Synthesis Technical & Educational Warehouse. 2'-O-NMA phosphoramidites enable the synthesis of RNA mimics useful for antisense therapeutics. 2023. Article