An effective reagent to functionalize alcohols with phosphocholine.,Organic & Biomolecular Chemistry

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An effective reagent to functionalize alcohols with phosphocholine.
Organic & Biomolecular Chemistry ( IF 2.9 ) Pub Date : 2020-01-08 , DOI: 10.1039/c9ob02582k
Lianyan L Xu ₁ , Lawrence J Berg ₁ , D Jamin Keith ₁ , Steven D Townsend ₁

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Phosphocholine is a small haptenic molecule that is both a precursor and degradation product of choline. Phosphocholine decorates a number of biologics such as lipids and oligosaccharides. In this study, an air and bench stable phosphocholine donor has been developed and evaluated with a number of alcohol acceptors. Using a one-pot, three-step sequence, (phosphitylation, oxidation, and phosphate deprotection) phosphocholine derivatives are synthesized in high yields. Of particular interest is the synthesis of miltefosine, the lone oral drug approved to treat leishmaniasis. Due to its prohibitive expense ($1500 per g), miltefosine is not accesable for the majority of the world's patients. Based on the described reaction sequence, this drug can be produced for $25 per g.

中文翻译：

用磷胆碱官能化醇的有效试剂。

磷酸胆碱是一种小的半抗原状分子，既是胆碱的前体又是其降解产物。磷酸胆碱修饰了许多生物制品，例如脂质和寡糖。在这项研究中，开发了一种空气和实验台稳定的磷酸胆碱供体，并与许多醇受体一起进行了评估。使用一锅，三步顺序（磷酸化，氧化和磷酸脱保护），可以高产率合成磷酸胆碱衍生物。特别令人关注的是米线磷碱的合成，米线磷碱是一种被批准用于治疗利什曼病的口服药物。由于其昂贵的花费（每克1500美元），米替福辛不适用于世界上大多数患者。根据所描述的反应顺序，该药物的生产价格为每克25美元。

更新日期：2020-02-10

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