ChemInform Abstract: Studies on the Synthesis of 4-Oxo-2,3,4,9-tetrahydrocarbazole Derivatives.

ChemInform 2010, 41, issue 16 www.cheminform.wiley-vch.de Carbazole derivatives R 0150 DOI: 10.1002/chin.201016098 Studies on the Synthesis of 4-Oxo-2,3,4,9-tetrahydrocarbazole Derivatives. — A new route for the synthesis of the title carbazole derivatives (VI) and (VII), useful in- termediates for the preparation of uleine alkaloids, from lactone (IV) is developed. Un- fortunately, all attempts to convert these amides into tetracyclic lactams are unsuccess- ful. — (UZGOREN, A.; ULUDAG, N.; OKAY*, G.; PATIR, S.; J. Heterocycl. Chem. 46 (2009) 6, 1416-1419; Dep. Chem., Fac. Sci., Hacettepe Univ., TR-06100 Ankara, Turk.; Eng.) — H. Toeppel 16- 098 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim