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FRIEDEL-CRAFTS REACTION OF BIS (TRICHLOROMETHYL)CARBONATE FOR THE PREPARATION OF BENZOPHENONES

✍ Scribed by Peng, Xiaojun; Wang, Jingyun; Cui, Jingnan; Zhang, Rong; Yan, Ying

Book ID
127318006
Publisher
Taylor and Francis Group
Year
2002
Tongue
English
Weight
169 KB
Volume
32
Category
Article
ISSN
0039-7911

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The preparation of N-carboxyanhydrides of α-amino acids using bis(trichloromethyl)carbonate
✍ William H. Daly; Drew Poché 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 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.