創薬を指向した環境調和型有機金属触媒の開発とその応用

概要

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Two new catalysts, ruthenium hydride with a nitrogen-containing heterocyclic carbene (A) and an organopalladium catalyst supported on a sulfur-terminated semi-conductor, gallium arsenide (001) (B) were discovered. Both catalysts are environmentally benign, because A can yield indole derivatives with good atom economy, and B can catalyze the Mizoroki-Heck reaction more than 10 times with only trace amounts of leached palladium (ppb level). Substituted 1,2-dihydroquinoline, indole and 3-methylene-2,3-dihydroindole were also prepared selectively from the common starting material, N-allyl-o-vinylaniline, and catalyst by slight modification of the reaction conditions. These procedures address an important issue in diversity-oriented synthesis. These methods utility were demonstrated by application to biologically active natural products synthesis.
公益社団法人日本薬学会の論文
2007-09-01