Metal Complexes of Biologically Important Ligands, XCl. Introduction of Organometallic Fragments into α-Amino Acids by Reactions of α-Bromoglycine Derivatives with Anionic Organotransition-Metal Compounds
作者:Bernd Kayser、Kurt Polborn、Wolfgang Beck、Wolfgang Steglich
DOI:10.1002/cber.19971300206
日期:1997.2
The reactions of protected α-bromoglycine esters R1(O)CNHCH(Br)CO2R2 (R1Ph, OCMe3; R2 Me, tBu) with organometallic anions of acetylferrocene, CpFe(CO)(PPh3)-C(O)CH3, (OC)5MC(OMe)CH3 (MCr, W), (OC)3Cr(η6-diphenylmethane), (OC)3Cr[η6-fluorene), (OC)3Cr(η6-dihydroanthracene) and of (OC)3Cr(-η6aniline) and (OC)3Cr(η6-o-toluidine) provide a method for the introduction of organometallic fragments into the
受保护的α-溴甘氨酸酯R 1(O)CNHCH(Br)CO 2 R 2(R 1 Ph,OCMe 3 ; R 2 Me,t Bu)与乙酰基二茂铁,CpFe(CO)(PPh 3)的有机金属阴离子的反应-C(O)CH 3,(OC)5 MC(OME)CH 3(MCR,W),(OC)3铬(η 6 -二苯基甲烷),(OC)3铬[ η 6 -芴),(OC )3铬(η 6 -dihydroanthracene)和(OC)的3铬( - η 6苯胺)和(OC)3铬(η 6 - ö甲苯胺)提供用于引入有机金属片段的成α-个氨基酸,复合物的侧链可以是如在肽α氨基酸标记是有用的方法。通过X射线衍射对化合物(OC))3 Cr(η - o -C 6 H 4(CH 3)NHC-(H)(CO 2 Me)NHC(O)Ph进行表征。