A Simple and Highly Efficient Iron Catalyst for a [2+2+2] Cycloaddition to Form Pyridines
✍ Scribed by Chunxiang Wang; Dr. Xincheng Li; Fan Wu; Prof. Dr. Boshun Wan
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 479 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## Abstract Selected [2+2]‐cycloadditions of three alkylvinylketenes **2** to one mono‐ and seven dialkyl‐olefins **3** yielded eleven 2‐alkyl‐2‐vinylcyclobutanones **4** __(Tables 1__ and __2).__ Three methods were compared, all involving __in situ__ generation of the ketenes **2** by HCl‐eliminat