Lithium organozincate complexes LiRZnX2: common species in organozinc chemistry

JE Fleckenstein, K Koszinowski

Index: Fleckenstein, Julia E.; Koszinowski, Konrad Organometallics, 2011 , vol. 30, # 18 p. 5018 - 5026

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Citation Number: 35

Abstract

We have used a combination of electrospray ionization (ESI) mass spectrometry, electrical conductivity measurements, and NMR spectroscopy to investigate the effect of LiCl on solutions of organylzinc halides RZnX (R= Bu, Bn, Ph; X= halogen) and dibutylzinc Bu2Zn in tetrahydrofuran. In the case of RZnX, the addition of LiX (X= Cl) leads to a steep rise of the ESI signal intensities of RZnX2–organozincate anions. At the same time, the electrical ...