反应详情

3,5-dimethyl-pyrazole-1-carboxamidine (100 g; 0.5 Mole) and N,N-diisopropylethyl amine (DIEA) (65 g; 0.5 Mole) were suspended in dioxane (300 ml) and water (115 ml). 8-Amino-octanoic acid (48 cg; 0.3 Mole) was added to the mixture with stirring. The colorless solution was then refluxed for 2 days. The product was filtered and washed with water (3×50 ml).

1. temperatureThe colorless solution was then refluxed for 2 days
2. filtrationThe product was filtered
3. washwashed with water (3×50 ml)