A convenient preparation of (S)-(â)-4-hydroxy-2-methylcyclopent-2-en-1-one and its application as a chiral synthetic equivalent of 2-methylcyclopent-2-en-1-one in the terpenoid synthesis
Keywords: Piancatelli rearrangement; Kinetic resolution; Conjugate addition; Tetraallylstannane; Tantalum pentachloride; Total synthesis;