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Preparation of Chloroformates Using Bis(trichloromethyl)carbonate.

✍ Scribed by Haibo Shi; Weixiao Hu; Yaquan Sun

Book ID
101974360
Publisher
John Wiley and Sons
Year
2005
Weight
16 KB
Volume
36
Category
Article
ISSN
0931-7597

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The preparation of N-carboxyanhydrides o
The preparation of N-carboxyanhydrides of Ξ±-amino acids using bis(trichloromethyl)carbonate
✍ William H. Daly; Drew PochΓ© πŸ“‚ Article πŸ“… 1988 πŸ› Elsevier Science 🌐 French βš– 265 KB

A synthesis of the N-carboxyanhydrides (NCA's) of several a-ammo acids using bis(trichloromethyl)carbonate, I, is reported.The triphosgene is used to supply phosgene in situ in stoichiometric amounts; it is particularly effective for preparing NCA's of amino acids with long, aliphatic side chains.