α-Mercurio-Substituted Phosphorus Ylides: A Simple Route to Vinylmercury Compounds
✍ Scribed by Steiner, Matthias ;Pritzkow, Hans ;Grützmacher, HansjöRg
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1994
- Tongue
- English
- Weight
- 849 KB
- Volume
- 127
- Category
- Article
- ISSN
- 0009-2940
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📜 SIMILAR VOLUMES
The Reductive Dehalogenation of Halo-Substituted Naphthazarins and Quinizarins as a Simple Route to Parent Compounds. -Fe/AcOH proves to be a useful reagent system for the synthesis of naphthazarins [cf. (II)] and quinizarins [cf. (V)] from the corresponding polyhalogenated precursors. -(ANUFRIEV,
## Abstract 2,2‐Dialkoxy‐3,4‐dihydropyrans (3) can be obtained under mild conditions and in good yields from ketene acetals (1) and α,β‐unsaturated carbonyl compounds (**2**) in the presence of ZnCl~2~. At low temperatures (< −20°C) the reaction between **1** and **2** proceeds as a (2 + 2)‐cycload