✦ LIBER ✦
Synthesis of vinca alkaloids and related compounds XLII: Transformation of vincamone into vincamines via diazomethane assisted homologization. application of 1h-noe measurements for the configurational as
✍ Scribed by János Sápi; Lajos Szabó; Eszter Baitz-Gács; György Kalaus; Csaba Szántay
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- French
- Weight
- 634 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0040-4020
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✦ Synopsis
The a-oxo-acids 4 and 2 derived from vtncomone (I 1 uern transformed <nto vineamines _2,j,_fg, respsetiuety by methgZsne insertion ;itk diaeomethane. Romoteg~xotion of 2 and g dioro compounds led to oxirane derivatives f,t4,zL,il, M, resveotivety. Configuration of the oriranee vaa determined by JH-NOE nteaeuremente.