Strategies for the synthesis of novel indole alkaloid-based screening libraries for drug discovery.
Demosthenes Fokas, Libing Yu, Carmen M Baldino
Index: Mol. Divers. 9 , 81, (2005)
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Abstract
A series of diverse indole-based chemotypes were synthesized from beta-tetrahydrocarboline (beta-THC) scaffolds prepared from commercially and readily available tryptamines and alpha-ketoesters. Diversity can be generated within these chemotypes through the following strategies: (a) appendage of substituents to the beta-THC scaffold, prepared in situ or as a template, through further elaboration and (b) skeletal modifications to the beta-THC scaffold via ring forming or ring breaking reactions. The strategies described here are amenable to high throughput solution-phase parallel synthesis, providing access to novel indole-based screening libraries for drug discovery.