Chemical and Pharmaceutical Bulletin p. 296 - 297 (2000)
Update date:2022-08-05
Topics:
Kubica, Zbigniew
Kozlecki, Tomasz
Rzeszotarska, Barbara
Easily accessible Ac-(Z)-ΔPhe-NHMe was photoisomerized to so far unknown Ac-(E)-ΔPhe-NHMe. Some parameters of the process leading to a diastereomeric mixture of ratio 90(Z): 10(E) have been tested and the photoisomerization has been carried out on a preparative milligram scale. The isomers were separated via crystallization followed by preparative HPLC.
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Doi:10.1002/(SICI)1099-0690(200003)2000:5<813::AID-EJOC813>3.0.CO;2-Q
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