Synthesis of 1- and 4-substituted piperazin-2-ones via Jocic-type reactions with N-substituted diamines?
Organic & Biomolecular Chemistry Pub Date: 2014-12-16 DOI: 10.1039/C4OB02311K
Abstract
Enantiomerically-enriched trichloromethyl-containing alcohols, obtained by asymmetric reduction, can be transformed regioselectively into 1-substituted piperazinones by modified Jocic reactions with little or no loss of stereochemical integrity. This methodology can be easily used to synthesise important pharmaceutical compounds such as the fluorobenzyl intermediate of a known PGGTase-I inhibitor.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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