Synthesis and structural studies of 1,1'-bis-amino-functionalized ferrocenes, ferrocene salts, and ferrocenium salts
2002
Having isolated and characterized a series of sodium cyclopentadienide salts, we have synthesized a number of 1,1‘-bis-amino-functionalized ferrocenes, 1,1‘-bis-amino-functionalized ferrocene salts, and 1,1‘-bis-amino-functionalized ferrocenium salts. Among these are the first crystallographically characterized examples of cyclopentadienyl units containing (piperidin-N-ylethyl)- and (pyrid-2-ylmethyl)cyclopentadienyl side chains. In the cases of some of the ferrocenes, ferrocene salts, and ferrocenium salts, there are some interesting structural features in the solid state. These include C−H···N and C−H···π cloud interactions as well as N−H···O and N−H···F hydrogen bonds.
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