Abstract
A new family of aza-indolocarbazoles 2– 3 was built from protected 3-(3-indolyl)-4-bromo- N-methylmaleimide in a few efficient steps. Symmetrical and non-symmetrical products were obtained. Regioselectivity of anionic condensation was controlled. A possible selective deprotection between an N-Boc and N-benzenesulphonyl group using mild basic conditions was confirmed.
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