Novel Synthesis of Dihydropyrans and 2,8-Dioxabicyclo[3.3.0]oct-3-enes Using Mn(III)-Based Oxidative Cyclization.

✍ Scribed by Van-Ha Nguyen; Hiroshi Nishino

• Publisher: John Wiley and Sons
• Year: 2004
• Weight: 177 KB
• Volume: 35
• Category: Article
• ISSN: 0931-7597
• DOI: 10.1002/chin.200432151

✦ Synopsis

2004 Pyran derivatives Pyran derivatives R 0340 Novel Synthesis of Dihydropyrans and 2,8-Dioxabicyclo[3.3.0]oct-3-enes Using Mn(III)-Based Oxidative Cyclization. -The title compounds (III) and (VI) are conveniently prepared by the oxidative treatment of tricarbonyl compounds with Mn(OAc) 3 . -(NGUYEN, V.-H.; NISHINO*, H.; Tetrahedron Lett. 45 (2004) 17,