𝔖 Bobbio Scriptorium
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Wanted—Abstracts for the chemists’ section


Publisher
Springer-Verlag
Year
1920
Weight
118 KB
Volume
4
Category
Article
ISSN
0095-9774

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Schedule for Poster Presentations; Abstr
📂 Article 📅 2003 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 435 KB

We report a general approach to the synthesis of Boc-protected 4-alkylprolines via asymmetric hydrogenation reactions. Starting from trans-4-hydroxyproline, the key unsaturated intermediates were obtained by Wittig-type reactions at the 4 position. The Crabtree catalyst (Ir[COD]PyPCy 3 PF 6 ) proved