Asymmetric Syntheses of (2S,3S,6S)-, (2S,3S,6R)-, and (2R,3R,6S)-2,3-Methano-2,6-diaminopimelic Acids. Studies Directed to the Design of Novel Substrate-based Inhibitors of L,L-Diaminopimelate Epimerase

Add time:07/13/2019    Source:sciencedirect.com

The asymmetric syntheses ot (2S,3S,6S)-, (2S,3S,6R)-, and (2R,3R,6S)-2,3-methano-2,6-diaminopimelic acids (7a-c) is described. The synthesis features phosphonate coupling of 13 and 14 to form the corresponding E-olefins which are subsequently cyclopropanated and deprotected under dissolving metal conditions.

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