作者:Peter T. Gallagher、Terry A. Hicks、Andrew P. Lightfoot、W.Martin Owton
DOI:10.1016/s0040-4039(00)76534-8
日期:1994.1
A novel synthesis of Rhein (2), the active metabolite of the anti-osteoarthritic drug Diacetyl Rhein (1) has been achieved. Key steps include stereospecific olefination of aldehyde 21 with novel phosphonate 28 and the cyclisation of acid 31 to produce anthracene 32.