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Cobalt-Catalyzed Sequential Cyclization/Cross-Coupling Reactions of 6-Halo-1-hexene Derivatives with Grignard Reagents and Their Application to the Synthesis of 1,3-Diols.

✍ Scribed by Hidenori Someya; Hirohisa Ohmiya; Hideki Yorimitsu; Koichiro Oshima


Publisher
John Wiley and Sons
Year
2007
Weight
43 KB
Volume
38
Category
Article
ISSN
0931-7597

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Cobalt-Catalyzed Cross-Coupling Reaction
✍ Hirohisa Ohmiya; Takashi Tsuji; Hideki Yorimitsu; Koichiro Oshima 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 317 KB 👁 2 views

## Abstract Details of cobalt‐catalyzed cross‐coupling reactions of alkyl halides with allylic Grignard reagents are disclosed. A combination of cobalt(II) chloride and 1,2‐bis(diphenylphosphino)ethane (DPPE) or 1,3‐bis(diphenylphosphino)propane (DPPP) is suitable as a precatalyst and allows second