Rubén Omar Torres-Ochoa

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A two-step protocol for the synthesis of azepino[4,5-b]indolone derivatives featuring a xanthate radical oxidative aromatic substitution on the N-Boc protected tryptamine, using dilauroyl peroxide (DLP) as initiator and oxidant, is described.
Caulerpin (1a), a bis-indole alkaloid from the marine algal Caulerpa sp., was synthesized in three reaction steps with an overall yield of 11%. The caulerpin analogues (1b-1g) were prepared using the same synthetic pathway with overall yields between 3% and 8%. The key reaction involved a radical oxidative aromatic substitution involving xanthate (3) and(More)
In this study, the pyrrolo[2,1-a]isoquinolines 4a-n were synthesized in good yields in a three steps synthesis from the corresponding α,β-unsaturated esters starting materials. These compounds were tested on six human cancer cells lines to measure the cytotoxic activity as a function of the electronic properties and aromaticity of the substituent at the C-2(More)
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