Synthesis of stereospecifically labelled D-prop-2-ynylglycine and investigation of the action of D-amino acid oxidase
作者:Nicola J. Church、Douglas W. Young
DOI:10.1039/c39940000943
日期:——
Stereospecifically deuteriated samples of D-prop-2-ynylglycine 1 are synthesised by reaction of the labelled aziridines 13 with a carbon nucleophile followed by deprotection; incubation of these samples with D-amino acid oxidase indicates that, in formation of the lactone 5, deprotonation at C-3 is non-stereospecific, strongly supporting non-enzymatic deprotonation as a key step in the formation of this compound.
D-prop-2-ynylglycine 1 的立体特异性去质子化样品是通过标记的氮丙啶 13 与碳亲核物反应后去保护而合成的;将这些样品与 D-氨基酸氧化酶孵育表明,在形成内酯 5 的过程中,C-3 处的去质子化是非立体特异性的,这有力地证明了非酶促去质子化是形成这种化合物的关键步骤。