One-pot synthesis of 4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)-δ-lactones by Reformatsky reaction
-
Add time:08/16/2019 Source:sciencedirect.com
In th presence of zinc and a catalytic amount of cuprous chloride, ethyl 4-bromo-4,4-difluoro-3-oxo-2-(triphenylphosphoranylidene)butanoate 1 reacted with carbonyl compounds to give the gem-difluoromethylenated 2-(triphenylphosphoranylidene)-δ-lactones 4 in moderate to high yields.
We also recommend Trading Suppliers and Manufacturers of (R)-2,3-Dimethyl-4-(triphenylphosphoranylidene)-2-butanol (cas 138079-58-0). Pls Click Website Link as below: cas 138079-58-0 suppliers
Prev:Breast ImagingPreliminary study: Breast cancers can be well seen on 3T breast MRI with a half-dose of Gadobutrol (cas 138071-82-6)
Next:Dynamic 1H NMR spectroscopic study of the restricted SN rotation in aryl-N-(arylsulfonyl)-N-(triphenylphosphoranylidene)imidocarbamates) - 【Back】【Close 】【Print】【Add to favorite 】
- Related Information
- An efficient synthesis of quinolones using N-phenyl(triphenylphosphoranylidene)ethenimine08/20/2019
- Vinyltriphenylphosphonium salt mediated one-pot synthesis of functionalized 3-(triphenylphosphoranylidene)butyrolactones08/19/2019
- Synthesis of 4,5-dialkyl 5-acetyl-3-oxo-3-(triphenylphosphoranylidene)- tetrahydrofuran-4,5-dicarboxylates08/18/2019
- Dynamic 1H NMR spectroscopic study of the restricted SN rotation in aryl-N-(arylsulfonyl)-N-(triphenylphosphoranylidene)imidocarbamates08/17/2019
