## Abstract Hydroxy‐esters (and keto‐esters even more so) are liable to be acidolysed and not phosphorylated when heated with polyphosphoric acid.
Recherches sur la formation et la transformation des esters XVI Préparation de l'acide cholinephosphorique
✍ Scribed by Emile Cherbuliez; J. Rabinowitz
- Publisher
- John Wiley and Sons
- Year
- 1959
- Tongue
- German
- Weight
- 174 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Phosphorylcholine is obtained with a good yield when 1 mole of choline or choline chloride is heated with 0,5 to 0,6 mole of pyrophosphoric acid (or the corresponding amount of polyphosphoric acid) for 20 hours at 150° under reduced pressure.
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90. Recherches sur la formation et la transformation des esters LIX [l] Sur la preparation de monoesters sulfuriques d'amino-alcools et sur leur scission par Emile Cherbuliez, S1. Colak-AntiC, G. Wyss et J. Rabinowitz (31. 111. 65) A. -Nous avons prCpar6 quelques nouveaux monoesters sulfuriques d'
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Les esters sulfuriques d'aminoalcools sont relativement peu connus. Les diesters n'ont pas encore CtC CtudiCs ; quant aux monoesters, quelques-uns ont Ct6 ddcrits, mais aucune Ctude systkmatique n'en a CtC: publibe. Le monoester sulfurique de l'iithanolamine (amino-2-6thanol ou colamine) a fait l'o