Tetrahedron Letters p. 749 - 752 (1997)
Update date:2022-09-26
Topics:
Ramirez, Robert J. A.
Karamanukyan, Levon
Ortiz, Steven
Gutierrez, Carlos G.
Enterabadin, the cyclic trimer of N-(2,3-dihydroxybenzoyl)-L-serine has been efficiently prepared. A simple and high yield procedure has been developed for construction of N-protected serine trilactone as the key intermediate: methyl N-trityl-L-serinate and 2,2-dibutyl-1,3,2-dioxastannolane were refluxed in xylene to produce the triolide as the only lactone product in 85% yield.
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