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Platinum-Catalyzed Intramolecular Cyclizations of Alkynes: Efficient Synthesis of Pyrroloazepinone Derivatives

✍ Scribed by Marina Gruit; Dirk Michalik; Annegret Tillack; Matthias Beller

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
353 KB
Volume
121
Category
Article
ISSN
0044-8249

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Platinum(II)-Catalyzed Intramolecular Cy
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✍ Shangdong Yang; Zigang Li; Xing Jian; Chuan He πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 308 KB πŸ‘ 1 views

## Abstract Ring leader: PtCl~2~ catalyzes intramolecular cyclization of __o__‐isopropyl or __o__‐benzyl aryl alkynes to give substituted indene derivatives with good yields and high selectivity. This reaction appears to proceed through an sp^3^ Cο£ΏH activation and 1,4‐hydrogen migration pathway (se