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Synthesis of 4-azasteroids by an intramolecular Ugi reaction

✍ Scribed by Fernando Alonso; Sofía L. Acebedo; Andrea C. Bruttomesso; Javier A. Ramírez

Book ID
116892222
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
451 KB
Volume
73
Category
Article
ISSN
0039-128X

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✍ Stefano Marcaccini; Roberto Pepino; Tomás Torroba; Daniel Miguel; Marı́a Garcı́a 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 97 KB

The Ugi four-component condensation between 5-oxo-3-thiacarboxylic acids, benzylamines and cyclohexyl isocyanide gave 5-oxothiomorpholine-3-carboxamides. The configuration of bicyclic thiomorpholine derivatives was established by NOESY experiments.