17645-35-1Relevant articles and documents
Synthesis of Two Naturally Occuring Diastereomeric Dihydroxyprolines: 2,3-trans-3,4-trans-3,4-Dihydroxy-L-proline and 2,3-cis-3,4-trans-3,4-Dihydroxy-L-proline
Kahl, Jens-Uwe,Wieland, Theodor
, p. 1445 - 1450 (2007/10/02)
Starting from 2-pyrrolecarboxylic acid the N-Boc derivative 6 is resolved into its optically active constituents by crystalisation with R(+)-1-(4-nitrophenyl)ethaneamin.The N-tosyl-3,4-dehydro-L-proline methyl ester (L-7) derived from this is converted by