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Steric Hindrance Facilitated Synthesis of Enynes and Their Intramolecular [4 + 2] Cycloaddition with Alkynes

✍ Scribed by González, Juan J.; Francesch, Andrés; Cárdenas, Diego J.; Echavarren, Antonio M.

Book ID
121277733
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
66 KB
Volume
63
Category
Article
ISSN
0022-3263

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ChemInform Abstract: Steric Hindrance Fa
ChemInform Abstract: Steric Hindrance Facilitated Synthesis of Enynes and Their Intramolecular [4 + 2] Cycloaddition with Alkynes.
✍ J. J. GONZALEZ; A. FRANCESCH; D. J. CARDENAS; A. M. ECHAVARREN 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 43 KB 👁 2 views

Steric Hindrance Facilitated Synthesis of Enynes and Their Intramolecular [4 + 2] Cycloaddition with Alkynes. -The unexpected formation of enediyne (IV) under Sonogashira-coupling conditions is explained by a regioselective Pd-catalyzed insertion reaction facilitated by steric hindrance resulting in