Putrescine → 3-((4-Aminobutyl)amino)propanenitrile

To a solution of 1,4-diaminobutane (4.3 g, 48.8 mmole) in methanol (1.5 ml) was added a solution of acrylonitrile (3.1 g, 58.4 mmole) in methanol (1.5 ml) at 0° C., and the mixture was stirred for twelve hours. Evaporation of the solvent in vacuo afforded N-(2'-cyanoethyl)-1,4-diaminobutane as a colorless oil (5.5 g, 80% yield). 1H NMR (400 MHz, CDCl3) δ: 1.45 (4H, br, --CH2 CH2 --), 2.46 (2H, t), 2.58 (2H, t), 2.62 (2H, t), 2.84 (2H, t).

1. customEvaporation of the solvent in vacuo

ORD record

ord-a9146312177a4f9b96171064a8052dc6

Source dataset

uspto-grants-1998_03

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US05733899