1023053-17-9Relevant articles and documents
Cu(II) Porphyrin-catalyzed Coupling of Alkyl Tosylates and Grignard Reagents
Kurahashi, Takuya,Matsubara, Seijiro,Matsuoka, Iori
supporting information, p. 442 - 445 (2020/05/18)
Copper(II) porphyrin-catalyzed coupling of alkyl tosylates and alkyl Grignard reagents afforded substituted alkanes. The role of the copper(II) porphyrin complex was examined using EPR and in-situ synchrotron-based X-ray absorption fine structure measurements. These studies suggested that neither Cu redox nor substitution via in-situ generated cuprate was involved in catalysis. The results supported a reaction mechanism involving single electron transfer from copper(II) porphyrin to tosylate to facilitate the nucleophilic addition of Grignard reagents.
Simple and versatile catalytic system for N-alkylation of sulfonamides with various alcohols
Zhu, Mingwen,Fujita, Ken-Ichi,Yamaguchi, Ryohei
supporting information; experimental part, p. 1336 - 1339 (2010/06/15)
"Chemical Equation Presented" A simple and versatile catalytic system for N-alkylation of sulfonamides with various alcohols based on a catalytic hydrogen transfer reaction has been developed under a low catalyst loading of [Cp*lrCl2]2 (0.050-1.5 mol %) in the presence of t-BuOK. A variety of N-alkylated sulfonamides were prepared In good to excellent yields. Mechanistic investigations revealed that the key catalytic species in the present system is a sulfonylimido-bridged unsaturated diirldium complex [(Cp*lr)2(μ-NTs)2].