Synthesis of nor-sesquiterpene spirolactones and their steroidal hybrids revisited. The neopentyl dilemma: misassignment of one stereocentre may necessitate a completely new approach

Autor: Safir, Imad, Chanu, Angeline, Elkhayat, Zobida, Basak, Ramkrishna, Arseniyadis, Siméon
Zdroj: In Tetrahedron: Asymmetry 15 October 2014 25(18-19):1253-1263
Databáze: ScienceDirect