Grignard Reactions Involving Halogenated Pyrimidines |
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Authors: | Thomas J Delia |
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Institution: | Department of Chemistry, Central Michigan University, , Mt. Pleasant, Michigan, 48859 |
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Abstract: | Generally, there are two pathways that involve Grignard reagents and halogenated pyrimidines. The more common approach shows cross‐coupling reactions that utilize a Grignard reagent, either alkyl or aryl, with a variety of halogenated pyrimidines. Typically, these reactions are catalyzed by Fe, Co, Ni, Pd, Mn, or Zn species. Alternatively, but to a lesser degree, halogenated pyrimidines form pyrimidyl Grignard reagents, which then further react either in a cross‐coupling manner or via a standard addition process. Finally, there are a few examples in which Grignard reagents react with pyrimidines via an addition process that does not involve a halogen. |
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