反应详情

To N,N'-diacetyl-L-cystine (4.60 mmole, 1.49 g) dissolved in 5 mL of water was added piperazine (4.60 mmole, 0.90 g). To the solution was added enough isopropanole to cause formation of an oil, which slowly solidifies. The salt was isolated and dried. Physical data: Mp >170° C. (dec.) 1H-NMR (D2O) δ: 2.05 [6H,s,CH3 ], 2.96 [2H,dd,CH2S], 3.26 [2H,dd,CH2S], 3.42 [8H,s,CH2 (2,3,5,6)], 4.49 [2H,dd,CHN]

1. additionTo the solution was added enough isopropanole
2. customThe salt was isolated
3. customdried