Stereocontrolled synthesis of 20,21-dihydro N-methylwelwitindolinone B isothiocyanate†
Abstract
Described is a concise synthesis of the 20,21-dihydro analog of N-methylwelwitindolinone B isothiocyanate, wherein a cationic homoallyl to cyclopropylmethyl rearrangement is circumvented by