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ChemInform Abstract: Electrophilic Tellurolactonization of 1,2-Allenic Phosphonates: A Facile and Efficient Synthesis of 4-(Phenyltelluro)-1,2-oxaphosphol-3-ene 2-Oxides.

✍ Scribed by Jingqi Yuan; Xiuxiu Ruan; Yewei Yang; Xian Huang

Publisher
John Wiley and Sons
Year
2008
Weight
31 KB
Volume
39
Category
Article
ISSN
0931-7597

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## Abstract The reactions of monosubstituted 1,2‐alkadienylphosphonates with PhSeCl in THF or dioxane/H~2~O (10:1) at 70 Β°C afforded the selenochlorination products [(__Z__)‐3‐chloro‐2‐(phenylselanyl)‐1‐alkenyl]phosphonates with very high chemo‐ and stereoselectivity, whereas the same reaction with