ArticlePhotochemistry and photobiology
Aliphatic β-nitroalcohols for therapeutic corneoscleral cross-linking: chemical stability studies using 1H-NMR spectroscopy.
Article in Photochemistry and photobiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Recent advances in medicinal compounds related to corneal crosslinking.Frontiers in pharmacology · 2023Review
- Trends in research related to high myopia from 2010 to 2019: a bibliometric and knowledge mapping analysis.International journal of ophthalmology · 2021Article
- Cosmetic preservatives as therapeutic corneal and scleral tissue cross-linking agents.Investigative ophthalmology & visual science · 2015Article
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Authors and funding
6 authors.
Funding
Abstract
Recent studies suggest that aliphatic β-nitro alcohols may represent a useful class of compounds for use as in vivo therapeutic corneoscleral cross-linking agents with higher order nitroalcohols (HONAs) showing enhanced efficacy over the mono-nitroalcohols. The current study was undertaken in order to evaluate the chemical stability of these compounds during storage conditions. Two mono-nitroalcohols (2-nitroethanol=2ne and 2-nitro-1-propanol = 2 nprop) and two HONAs, a nitrodiol (2-methyl-2-nitro-1,3-propanediol = MNPD), and a nitrotriol (2-hydroxymethyl-2-nitro-1,3-propanediol = HNPD) were monitored for chemical stability by (1)H-NMR for up to 7 months. Each compound was studied at two concentrations (1% and 10%) either in unbuffered H2O or 0.2 m NaH2 PO4/Na2 HPO4 (pH = 5), and at 0 °C and room temperature (RT) for a total of eight conditions for each compound. The (1)H-NMR spectra for the starting material were compared to subsequent spectra. Under all four of the conditions studied, both the nitrodiol (MNPD) and nitrotriol (HNPD) were stable for the duration of 7 months. 2nprop became unstable under all conditions at 3 months. 2ne was the most unstable of all the compounds tested. HONAs exhibit excellent chemical stability under long-term storage conditions. In contrast, the nitromonols tested are significantly less stable. These findings are relevant to the translation of this technology into clinical use.
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