| abstract |
PURPOSE: Antibiotic PS-5 and its derivatives, particularly a trityl derivative. Characteristics thereof are as follows: soluble in water of pH6-9; thin layer chromatography: shows Rf=0.94, in an example, using Avicel SF cellulose thin-layer plate made by Funakoshi Yakuhin and a solvent of n-butanol/ethanol/water (7/7/6); paper chromatography: shows Rf=0.68, using Toyo filter paper No.50 and, in an example, a solvent of n-propanol/water (7/3); etc. n COPYRIGHT: (C)1978,JPO&Japio |