反应详情

A solution of N-hydroxy-N′-aminoguanidine tosylate (0.66 g; 2.5 mMol) in triethyl orthoformate (1.5 mL) in the presence of boron trifuloride etherate (10 mg) was stirred at room temperature during 8 h. The residue was filtered off and the product crystallised from the ethanol.

1. filtrationThe residue was filtered off
2. customthe product crystallised from the ethanol