Indoloquinones, part 6. First palladium-mediated oxidative cyclization of arylamino-1,2-benzoquinones to carbazole-3,4-quinones - Application to the total synthesis of carbazoquinocin C and (+/-)-carquinostatin A
Hj. Knolker et Kr. Reddy, Indoloquinones, part 6. First palladium-mediated oxidative cyclization of arylamino-1,2-benzoquinones to carbazole-3,4-quinones - Application to the total synthesis of carbazoquinocin C and (+/-)-carquinostatin A, SYNLETT, (5), 1999, pp. 596-598
A highly convergent synthesis of the carbazole-3,4- quinone alkaloids carba
zoquinocin C and (+/-)-carquinostatin A is reported using a palladium-media
ted oxidative coupling of arylamines and substituted 1,2-benzoquinones.