97387-44-5Relevant articles and documents
INTRAMOLECULAR DIELS-ALDER CYCLOADDITIONS OF VINYLKETENIMINES. A CONVERGENT ROUTE TO CARBAZOLES AND PYRIDOCARBAZOLE ALKALOIDS
Differding, Edmond,Ghosez, Leon
, p. 1647 - 1650 (2007/10/02)
The intramolecular Diels-Alder cycloaddition of acetylenic vinylketenimines is the key step of a highly convergent synthesis of carbazoles.A facile synthesis of N-methyl-tetrahydroellipticine has been completed in five isolated steps from N-methyl piperidone.