View all references In the past thirty years, the synthesis of coenzyme Q 10 has received special attention and remains interesting. Organic chemists have brought forward many total and semisynthetic methods for stereoselective and cost??efficient preparation of coenzyme Q 10 . In general there may be considered to be two strategies, one from 2,3,4,5??tetramethoxytoluene 2 as starting material1–9 View all references and the other from 2,3??dimethoxy??5??methyl??1,4?? ...