84072-28-6Relevant articles and documents
Total Synthesis of -Mitrephorone A
Richter, Matthieu J. R.,Schneider, Michael,Brandst?tter, Marco,Krautwald, Simon,Carreira, Erick M.
, p. 16704 - 16710 (2018/12/14)
The first synthesis of mitrephorone A is disclosed along with discussion and study of synthetic strategies. The natural product includes a highly congested hexacyclic ent-trachylobane diterpenoid framework featuring a rare, embedded oxetane. The synthetic analysis presented dissects a number of approaches for the synthesis of the central oxetane, including carbonyl-olefin photocycloadditions, Prins-type cyclizations, and oxidative ring closures. In the successful route, three [4 + 2] cycloadditions enable rapid construction of all carbocycles. A novel late-stage oxidative cyclization of a hydroxy diosphenol with Koser's reagent furnishes the pivotal oxetane moiety.
Total Synthesis of (+/-)-Methyl Phaseates
Takahashi, Shunya,Oritani, Takayuki,Yamashita, Kyohei
, p. 1589 - 1596 (2007/10/02)
(+/-)-Methyl phaseates were synthesized from (+/-)-4-(6'-acetoxymethyl-2'-6'-dimethyl-1'-cyclohexen-1'-yl)-but-3-en-2-one (20), which was prepared from a useful terpenoid building block, (+/-)-2-hydroxymethyl-2,6-dimethyl-1-cyclohexanone (11a and 11b).Pho