Boron fluoride promoted cleavage of acetals by organocopper reagents application to asymmetric synthesis
β Scribed by J.F. Normant; A. Alexakis; A. Ghribi; P. Mangeney
- Book ID
- 103402544
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 722 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0040-4020
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## Abstract An efficient homocoupling of imines to give vicinal diamines promoted by lowβvalent niobium, generated by treatment of NbCl~5~ with zinc powder, is described. The desired products were obtained in good to excellent yields. Dihydroisoquinoline derivatives also gave the coupling products