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Paramagnetic products formed in the reactions of organometallic compounds. X. Stabilization of intermediate keto products of salicylic acids by means of nickel

Ľ. Malík, A. Staško, A. Tkáč, and V. Adamčík

Institute of Chemical Physics, Department of Physical Chemistry, Slovak Technical University, 880 37 Bratislava

 

Abstract: In the reactions of salicylic acids with Grignard reagents, transition metals increase the yield of keto products. Thus, 3,5-diisopropylsalicylic acid with BuMgBr in the presence of Ni forms 2-hydroxy-3,5-diisopropylphenyl Bu ketone; in the absence of Ni, 2-hydroxy-3,5-diisopropylphenyl di-Bu carbinol is obtained. The stabilization of keto products in the form of their ketyl radicals was verified in an ESR study.

Full paper in Portable Document Format: 335a577.pdf

 

Chemical Papers 33 (5) 577–584 (1979)

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