The author of 《Reduction-responsive poly (ethylene glycol)-dexamethasone biarm conjugate and its self-assembled nanomicelles: Preparation, physicochemical characterization, and thiol-triggered drug release》 were Ngoc, Van Tran Thi; Hwang, Hee Sook; Kim, Yugyeong; Kang, Han Chang; Huh, Kang Moo. And the article was published in Polymers for Advanced Technologies in 2019. Formula: C3H9NO2 The author mentioned the following in the article:
In this study, a reduction-responsive poly (ethylene glycol)-dexamethasone biarm conjugate was synthesized as intracellular targeted drug delivery carriers. The hydroxyl end group of methoxy poly (ethylene glycol) (mPEG) was modified to introduce a biarm structure with bioreducible disulfide bond and amine end groups. Dexamethasone (Dex) as a nuclear targeting moiety was conjugated to the amine end groups of mPEG biarm derivatives, mPEG-(NH2)2 or mPEG-(ss-NH2)2, with or without bioreducible disulfide bonds. The bioreducible and nonreducible mPEG-Dex biarm conjugates, R-mPEG-Dex and N-mPEG-Dex, were synthesized and characterized by various anal. methods, proton NMR (1H-NMR), Fourier transform IR spectroscopy (FT-IR), dynamic light scattering (DLS), and fluorescence measurements. Amphiphilic mPEG-Dex conjugates self-assembled in aqueous solutions to form nanoparticles (NPs) with a size range of 130 to 150 nm, and their critical micelle concentrations (CMCs) were determined to be 12.4 and 15.3 mg/L, resp., for bioreducible and nonreducible ones. The R-mPEG-Dex NPs maintained good colloidal stability in the presence of bovine serum albumin (BSA) for more than 1 wk but demonstrated a significant change in colloidal stability in the presence of dithiothreitol (DTT). In DTT-containing phosphate-buffered saline (PBS), the bioreducible NPs showed not only reduction-responsive destabilization with PEG shedding but also thiol-dependent drug release profile. Our observations indicated that the R-mPEG-Dex NPs have a promising prospective as an efficient nanocarrier for intracellular targeted delivery of various anticancer drugs. In addition to this study using 2-Aminopropane-1,3-diol, there are many other studies that have used 2-Aminopropane-1,3-diol(cas: 534-03-2Formula: C3H9NO2) was used in this study.
2-Aminopropane-1,3-diol(cas: 534-03-2) belongs to anime. Aniline, ethanolamines, and several other amines are major industrial commodities used in making rubber, dyes, pharmaceuticals, and synthetic resins and fibres and for a host of other applications. Most of the numerous methods for the preparation of amines may be broadly divided into two groups: (1) chemical reduction (replacement of oxygen with hydrogen atoms in the molecule) of members of several other classes of organic nitrogen compounds and (2) reactions of ammonia or amines with organic compounds.Formula: C3H9NO2
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