𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Catalytic α-hydroxy carbon radical generation and addition. Synthesis of α-hydroxy-γ-lactones from alcohols, α,β-unsaturated esters and dioxygen

✍ Scribed by Iwahama, Takahiro; Sakaguchi, Satoshi; Ishii, Yasutaka

Book ID
118280725
Publisher
Royal Society of Chemistry
Year
2000
Tongue
English
Weight
155 KB
Volume
7
Category
Article
ISSN
1359-7345

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Additive pummerer reactions of vinylic s
Additive pummerer reactions of vinylic sulphoxides. Synthesis of γ-hydroxy-α,β-unsaturated esters and α-hydroxyketones
✍ Donald Craig; Kevin Daniels; A.Roderick MacKenzie 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 285 KB

## Reaction of a,&unsaturated sulphoxides with trtfluoroacetic anhydri& gives a,j+bis(trifhwroacetoxy)thioethers in near-quantitative yields. Subsequent basic methanolysis gives monomeric and dimeric a-hydroxyaldehydes or ahydroxyketones, &pending on the nature of the 8-R group. The former undergo W

Synthesis of γ-Hydroxy-α,β-unsaturated E
Synthesis of γ-Hydroxy-α,β-unsaturated Esters and Nitriles from Chiral Cyanohydrins
✍ Jan Marcus; Pauline J. van Meurs; Adrianus M.C.H. van den Nieuwendijk; Mathieu P 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 145 KB

The Horner-Wittig reaction of cyanomethyl-and carbethoxymethyl diphenylphosphine oxides with a range of O-protected chiral a-hydroxy aldehydes is described. The a-hydroxy aldehydes were prepared with high enantiomeric purity from chiral O-protected cyanohydrins. The g-hydroxy-a,b-unsaturated compoun

Stereoselective formation of α-fluoro-α-
Stereoselective formation of α-fluoro-α-trifluoromethyl-γ-lactones starting from γ-hydroxy-α,β-unsaturated sulfones and a hexafluoropropene-diethylamine adduct (PPDA)
✍ Katsuyuki Ogura; Ken-ichi Ogu; Takashi Ayabe; Jun-ichi Sonehara; Motohiro Akazom 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 205 KB

E)-3-Hydroxy-l-dkenyl p-tolyl sulianes (1) reacted with a hexaluoropropene-.diethylamine adduet (PPDA) to aflbrd ct-fluora-ct-(trilluoromethyi)-l~-[(p-tulylsullanyl)methyl].ff-laetones (2). This reaction is so steteoselective that only one diastel'eomer of 2 is detected in the reaction mixttt~. A pl