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Catalytic enantioselective cyclopropanation of styrene derivatives using N-(2′,4′-di-tert-butyl)salicylidene-4-amino[2.2]paracyclophane as an asymmetric ligand

✍ Scribed by Douglas S. Masterson; Daniel T. Glatzhofer


Book ID
104421056
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
67 KB
Volume
161
Category
Article
ISSN
1381-1169

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Catalytic enantioselective cyclopropanat
✍ Douglas S. Masterson; Tara L. Hobbs; Daniel T. Glatzhofer 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 143 KB

The chiral ligand " -N-salicylidene-4-amino 2.2 paracyclophane 1 was synthesized and resolved. Resolved 1 was Ž . complexed to copper II for use as an asymmetric catalyst for the cyclopropanation of selected styrenes and stilbenes by diazoesters. Conversions of styrenes to cyclopropanes were high, t