Abstract
An efficient parallel synthesis was designed to provide libraries of estradiol mimics that can potentially interact with different biological targets associated with estradiol-related diseases. Two libraries of 75 members each were synthesized around a non-steroidal core by adding three levels of molecular diversity. Hydroxybenzaldehydes (1st level of diversity), protected as a methoxymethyl ether, first reacted with primary amines (2nd level of diversity) under reductive amination conditions. The resulting secondary amines next reacted with 4-bromo-1,2-epoxybutane to provide epoxide derivatives as precursors of the 3rd level of diversity. Various nucleophiles were then used to open each epoxide. Methyl isocyanate scavenger was finally used to trap out the excess amine and the protecting group was removed by hydrolysis to provide the final compounds.
Keywords: Epoxide opening, estradiol mimic, liquid-phase chemistry, non-steroidal derivative, parallel synthesis, phenol library, reductive amination.
Combinatorial Chemistry & High Throughput Screening
Title:Development of a Simple and Efficient Solution-Phase Parallel Synthesis of Flexible Non-Steroidal Estradiol Mimics
Volume: 17 Issue: 9
Author(s): Guy B. Djigoue, Rene Maltais and Donald Poirier
Affiliation:
Keywords: Epoxide opening, estradiol mimic, liquid-phase chemistry, non-steroidal derivative, parallel synthesis, phenol library, reductive amination.
Abstract: An efficient parallel synthesis was designed to provide libraries of estradiol mimics that can potentially interact with different biological targets associated with estradiol-related diseases. Two libraries of 75 members each were synthesized around a non-steroidal core by adding three levels of molecular diversity. Hydroxybenzaldehydes (1st level of diversity), protected as a methoxymethyl ether, first reacted with primary amines (2nd level of diversity) under reductive amination conditions. The resulting secondary amines next reacted with 4-bromo-1,2-epoxybutane to provide epoxide derivatives as precursors of the 3rd level of diversity. Various nucleophiles were then used to open each epoxide. Methyl isocyanate scavenger was finally used to trap out the excess amine and the protecting group was removed by hydrolysis to provide the final compounds.
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Cite this article as:
Djigoue B. Guy, Maltais Rene and Poirier Donald, Development of a Simple and Efficient Solution-Phase Parallel Synthesis of Flexible Non-Steroidal Estradiol Mimics, Combinatorial Chemistry & High Throughput Screening 2014; 17 (9) . https://dx.doi.org/10.2174/1386207317666140915125620
DOI https://dx.doi.org/10.2174/1386207317666140915125620 |
Print ISSN 1386-2073 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5402 |
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