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Preparation and properties of Nα-trityl amino acid 1-hydroxybenzotriazole esters

✍ Scribed by Barlos, Kleomenis ;Papaioannou, Dionysios ;Theodoropoulos, Dimitrios


Book ID
115098172
Publisher
Wiley (Blackwell Publishing)
Year
2009
Tongue
English
Weight
373 KB
Volume
23
Category
Article
ISSN
0367-8377

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Contribution of the trityl group to magn
✍ J. Matsoukas; D. Theodoropoulos 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 275 KB

## Abstract The magnetic nonequivalence of the __O__‐methylene protons of certain __N__‐trityl amino acid benzyl esters is reported. It is shown that magnetic asymmetry arises from hindered internal rotation of the α‐benzyl group. The degree of proximity of the bulky __N__‐trityl to the α‐benzyl gr