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ChemInform Abstract: Facile and Chemoselective Rhodium-Catalyzed Intramolecular Hydroacylation of α,α-Disubstituted 4-Alkylidenecyclopropanals.

✍ Scribed by Damien Crepin; Coralie Tugny; James H. Murray; Christophe Aissa


Publisher
John Wiley and Sons
Year
2012
Weight
42 KB
Volume
43
Category
Article
ISSN
0931-7597

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✦ Synopsis


Abstract

Mild intramolecular hydroacylation of α,α‐disubstituted 4‐alkylidenecyclopropanals, such (I), (VII), and (IX) is described avoiding decarbonylation and affording cycloheptenones (II), (VIII), and (X) in good yields.


📜 SIMILAR VOLUMES


ChemInform Abstract: Rhodium-Catalyzed I
✍ Carlos Gonzalez-Rodriguez; Scott R. Parsons; Amber L. Thompson; Michael C. Willi 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 69 KB 👁 1 views

## Abstract The Rh‐catalyzed asymmetric addition of α‐ (VII) or β‐substituted S‐chelating aldehydes (I), (V) towards terminal alkynes (II) is successfully used as kinetic resolution procedure to afford the corresponding α‐ and β‐substituted enones in up to 90% optical purity.