Incorporation of chiral [1-2H]cadaverines into the quinolizidine alkaloids sparteine, lupanine, and angustifoline
作者:Alison M. Fraser、David J. Robins
DOI:10.1039/c39840001477
日期:——
2 H N.m.r. Spectroscopy has been used to establish the labelling patterns in sparteine (3), lupanine (5), and angustifoline (7), derived biosynthetically from (R)-[1-2H]-(8) and (S)[1-2H]-cadaverine (9); the presence of 2H at C-17 in these three alkaloids from the former precursor (8) demonstrates that 17-oxosparteine cannot be an intermediate in quinolizidine alkaloid biosynthesis.
2 H Nmr光谱已用于建立从( R)-[ 1-2 H]-( 8)和( S)生物合成衍生的斯巴丁胺( 3),Lupanine( 5)和阿古斯汀( 7)的标记模式。[ 1-2 H]-尸胺( 9); 在这三种来自前体前体的生物碱中C-17处2 H的存在( 8)证明17-氧代天冬氨酸不能作为喹喔啉生物碱生物合成的中间体。