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Reaction of β-Diketones with Triphenylphosphine Dihalides: A New, Efficient Synthesis of Cyclic β-Chloro-, β-Bromo- and β-Iodo-α,β-Unsaturated Ketones

✍ Scribed by Piers, Edward; Nagakura, Isao


Book ID
126881958
Publisher
Taylor and Francis Group
Year
1975
Tongue
English
Weight
225 KB
Volume
5
Category
Article
ISSN
0039-7911

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Synthesis of α-iodo-α,β-unsaturated keto
✍ Asaf Alimardanov; Ei-ichi Negishi 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 262 KB

Treatment of c~-silyl-cc,[~-unsaturated enones, readily preparable as regio-and stereodefined compounds in high yields, with either 2 equiv, oflCl or one equiv, each oflC1 and A1C13 provides the corresponding cc-iodo-a,[3unsaturated enones in high yields.