Wittig olefination of partially protected sugar lactones: A direct entry to dioxabicyclic and trioxatricyclic systems

✍ Scribed by M Lakhrissi; C Taillefumier; A Chaouch; C Didierjean; A Aubry; Y Chapleur

• Book ID: 104259272
• Publisher: Elsevier Science
• Year: 1998
• Tongue: French
• Weight: 224 KB
• Volume: 39
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(98)00676-5

✦ Synopsis

Partially protected sugar lactones reacts with stabilized phosphoranes at high temperature yielding activated olefins which undergo subsequent 1,4-addition to give bicyclic adducts, simultaneous furan formation being also observed.