Androsterone-based gels enable diastereospecific reductions and diastereoselective epoxidations of gelators
文献情報
Tao Li, Yu Chen, Chunbao Li
Eleven new androsterone-based gelators were synthesized, and their gelation properties and gel-mediated reactions were investigated. The relationships between the structures, gelation and self-assembly processes of the gelators are discussed. By using granular PTFE (polytetrafluoroethylene) as costirrers, quantitative and diastereospecific reductions of the gelator carbonyl groups mediated by water were achieved in the gels of seven gelators. This reduction did not occur in the control experiment which used organic solvent-mediated conventional conditions. The diastereospecific and quantitative reductions possibly occur via a hydrogen-bonded-activated carbonyl mechanism. Five of the gelators underwent gel-mediated epoxidation and the products were more diastereoselective than those obtained using conventional epoxidation reactions. This can be attributed to the ordered arrangements in the gels.
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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.




