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Pictet-Spengler route to Praziquantel
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26th July 2012 @ 04:07
MNR43-1%20scheme.png
mnr43-1%20table.PNG

Yb(OTf)3 (0.050 g, 0.08 mmol) and R-iPr-box (0.049 g, 0.16 mmol) in THF (5 mL) in THF (5 mL) was stirred at room temperature for 10 minutes. The solution was then concentrated to about 0.5 mL volume and Et2O (5 mL) was added. A white precipitate appeared but had a very sticky consistency and was not crystalline. The mixture was concentrated to complete dryness
Attached Files
MNR43-1 scheme.png
mnr43-1 table.PNG