作者:Maciej Adamczyk、Rajarathnam E. Reddy、Sushil D. Rege
DOI:10.1002/jlcr.442
日期:2001.3.15
A concise synthesis of isotopically labeled galactosylhydroxylysine (2) was achieved via glycosylation of labeled hydroxylysine derivative (3) with (+)-acetobromo-α-D-galactose (4) and subsequent hydrolysis in good overall yield. The hydroxylysine derivative (3) was prepared from (S)-(−)-methyl-2-[bis-(tert-butoxycarbonyl)amino]-5-oxopentanoate (4) with the introduction of label (13CD2) via a Wittig reaction using 13CD3PPh3I. Copyright © 2001 John Wiley & Sons, Ltd.
通过将标记的羟基赖氨酸衍生物(3)与(+)-乙酰溴-α-D-半乳糖(4)糖基化,然后进行水解,以良好的总收率简便地合成了同位素标记的半乳糖基羟基赖氨酸(2)。羟基赖氨酸衍生物(3)是由(S)-(-)-甲基-2-[双-(叔丁氧羰基)氨基]-5-氧代戊酸酯(4)通过使用 13CD3PPh3I 的 Wittig 反应引入标记 (13CD2) 而制备的。Copyright © 2001 John Wiley & Sons, Ltd. All Rights Reserved.