Synthesis of monosubstitutedN-arylamidines by divalent diaminobisphenolate ytterbium complex catalyzed addition of amines to nitriles
β Scribed by XiaoNiu Chen; Zhu Du; Yong Zhang; Fan Xu; Qi Shen
- Book ID
- 107371856
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 682 KB
- Volume
- 54
- Category
- Article
- ISSN
- 1001-6538
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Terminal alkynes with secondary amines idimethylamine, diethylamine, piperidine, morpholine) and CO 2 in the presence of mononuclear ruthenium catalysts, afford the vinyl carbamates RICH=CH-O-CONR2. The reaction studies suggest, as the active catalytic species, a ruthenium-vinylidene intermediate.