Heterobimetallic metallation studies of N,N-dimethylphenylethylamine (DMPEA): benzylic C–H bond cleavage/dimethylamino capture or intact DMPEA complex
作者:Alan R. Kennedy、Robert E. Mulvey、Donna L. Ramsay、Stuart D. Robertson
DOI:10.1039/c5dt00247h
日期:——
is 2,2,6,6-tetramethylpiperidide) and the related lithium zincate [(PMDETA)Li(TMP)Zn(But)2] (PMDETA is N,N,N′,N′′,N′′-pentamethyldiethylenetriamine) with the sensitive bio-relevant scaffold N,N-dimethylphenylethylamine, DMPEA, afforded the crystalline complexes [(TMEDA)Na(TMP)(NMe2)Zn(But)] and [(PMDETA)Li(NMe2)Zn(But)2], respectively, both of which have been characterized by NMR spectroscopic and
单酰胺基-双烷基锌酸钠[(TMEDA)Na(TMP)(Bu t)Zn(Bu t)]的反应(TMEDA为N,N,N ',N'-四甲基乙二胺; TMP为2,2,6,6-四甲基哌啶化物)和相关的锌酸锂[(PMDETA)Li(TMP)Zn(Bu t)2 ](PMDETA是N,N,N ',N '',N ''-五甲基二亚乙基三胺)和敏感的生物相关支架N,N-二甲基苯基乙胺,DMPEA,得到结晶络合物[(TMEDA)Na(TMP)(NMe 2)Zn(But)]和[(PMDETA)Li(NMe 2)Zn(Bu t) 2 ],它们都已通过NMR光谱学和X射线晶体学研究进行了表征。通过将LiTMP–(TMP)Al(Bu i) 2混合物与DMPEA(第三种含二甲氨基的晶体配合物)反应制得,铝酸盐[(THF)Li(TMP)(NMe 2)Al(Bu i) 2 ]具有具有类似的特征。所有这三种络合物都可以视为裂解和捕