The stereoselective synthesis of 2 -chloro-4- substituted-phenyl-5, 5-dimthyl- 1,3, 2-dioxaphsphorinan- 2 - (thi) ones is described. only single trans-isomers w
Total synthesis of gnetifolin A was accomplished via intramolecular Wittig reaction. The synthesis started from 2 -methoxy- 3 -methylhydroquinone and methyl 4-0