Isolation of Protein Tyrosine Phosphatase 1B Inhibitory Constituents from the Sclerotia of Polyporus umbellatus Fries
作者:Hee-Sang Lee、In-Hyun Hwang、Jeong-Ah Kim、Ji-Young Choi、Tae-Su Jang、Hiruyuki Osada、Jong-Seog Ahn、Min-Kyun Na、Seung-Ho Lee
DOI:10.5012/bkcs.2011.32.2.697
日期:2011.2.20
spectrometer and a Varian 600 MHZ (VNS 600), respectively, using Bruker's and Varian's standard pulse pro-gram, with chemical shifts reported in ppm downfield from TMS. Column chromatography was carried out on Merck silica gel (70 - 230 mesh, Merck). TLC was performed on aluminum plates precoated with Kieselgel 60 F
使用 JASCO DIP-1000 (Tokyo, Japan) 自动数字旋光仪测量旋光度。FT-IR 光谱在 JASCO FT-IR 300E 分光光度计上记录,UV 光谱在 JASCO V-550 分光光度计上记录。NMR 光谱分别使用 Bruker 和 Varian 的标准脉冲程序在 Bruker 250 MHz (DMX 250) 光谱仪和 Varian 600 MHZ (VNS 600) 上记录,化学位移从 TMS 以 ppm 低场报告。在默克硅胶(70-230目,默克)上进行柱层析。TLC 在预涂有 Kieselgel 60 F 的铝板上进行