Selenated NHC-Pd(II) catalyzed Suzuki-Miyaura coupling of ferrocene substituted β-chloro-cinnamaldehydes, acrylonitriles and malononitriles for the synthesis of novel ferrocene derivatives and their solvatochromic studies
作者： Vijesh Tomar , Yachana Upadhyay , Avinash K Srivastava , Meena Nemiwal , Raj K Joshi
DOI: 10.1016/J.JORGANCHEM.2021.121752
关键词:
摘要: Abstract Suzuki-Miyaura coupling reaction between ferrocenyl/phenyl derivatives of (2-formyl-1-chlorovinyl)ferrocene, 3-chloro-3-ferrocenylacrylonitrile and (3-chloro-3-ferrocenylallylidene)malononitrile arylboronic acid in the catalytic presence a selenated NHC-Pd(II) full pincer complex was accomplished. Significantly, couplings take place water under normal atmospheric conditions, contrast to many earlier reported Pd-catalysed reactions requiring inert atmosphere conditions. Solvatochromic studies new ferrocene compounds revealed some interesting changes. Aggregation showed an increase absorbance with decrease content water/DMSO solvent mixture.
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