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ChemInform Abstract: N-Monoalkylation of α-Amino Acid Esters under Solid-Liquid PTC Conditions.

✍ Scribed by Domenico Albanese; Dario Landini; Vittoria Lupi; Michele Penso

Publisher
John Wiley and Sons
Year
2001
Weight
34 KB
Volume
32
Category
Article
ISSN
0931-7597

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N-Monoalkylation of α-Amino Acid Esters
N-Monoalkylation of α-Amino Acid Esters under Solid-Liquid PTC Conditions
✍ Domenico Albanese; Dario Landini; Vittoria Lupi; Michele Penso 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 334 KB

N-(2-Nitrophenylsulfonyl)-(o-NBS-AA-OMe, 4) and N-(4-Nitrophenylsulfonyl)-α-amino acid methyl esters (p-NBS-AA-OMe, 5) were N-alkylated with a variety of alkyl halides 6 under solid-liquid phase-transfer catalysis (SL-PTC) condi-Scheme 1. Preparation of N-alkylated α