Solvent-free one-pot synthesis of spiro[indoline-3,4′(1h′)- pyrano-[2,3-c]pyrazol]-2-one derivatives by grinding
SYNTHETIC COMMUNICATIONS(2011)
摘要
The solvent-free one pot synthesis of spiropyranyl-oxindole in the presence of NaHCO(3) under grinding has been achieved. This process is simple, fast, efficient and environmentally benign.
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关键词
Isatin,one pot,solvent-free,spiropyranyl-oxindole
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