An optically active total synthesis of calphostin D (1a):through dimerization of the chiral o-naphthoquinone 6 has been accomplished. The mechanism of the dimerization has been shown to be an acid-catalyzed process;
An optically active total synthesis of calphostin D (1a):through dimerization of the chiral o-naphthoquinone 6 has been accomplished. The mechanism of the dimerization has been shown to be an acid-catalyzed process;