𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Phosphine-Catalyzed Asymmetric [4+2] Annulation of Vinyl Ketones with Oxindole-Derived α,β-Unsaturated Imines: Enantioselective Syntheses of 2′,3′-Dihydro-1′ H -spiro[indoline-3,4′-pyridin]-2-ones

✍ Scribed by Zhang, Xiao-Nan; Chen, Gen-Qiang; Dong, Xiang; Wei, Yin; Shi, Min


Book ID
121782957
Publisher
John Wiley and Sons
Year
2013
Tongue
English
Weight
426 KB
Volume
355
Category
Article
ISSN
1615-4150

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Synthesis of heterocyclic compounds usin
✍ Kunio Ito; Yoshiko Kizuka; Yuji Hirano 📂 Article 📅 2005 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 82 KB 👁 1 views

N-t-Butylacetamidines 1 on heating with methyl acrylate (2) at 200˚ gave the 4,5-dihydro-3H-pyridin-2one derivatives 5. Michael addition of the acetamidines 1 as their ene-1,1-diamine tautomers 1' to 2 and the subsequent cyclization of the adducts gave derivatives 5. Amidines 1 on reaction with trim