反应详情

A mixture of S-methyl-N-ethylisothiourea hydriodide (2.46 g., 10 millimoles), 3-hydroxy-3-aminomethyl-3,4-dihydro-2H-1,5-benzodioxepin 1.95 g. (10 millimoles) from Example 1, Step E, and 20 ml. of ethanol is refluxed for four hours. The solution then is evaporated to a small volume and diluted with ether to afford 3-hydroxy-3-(3-ethylguanidinyl)methyl-3,4-dihydro-2H-1,5-benzodioxepin hydriodide.

1. customThe solution then is evaporated to a small volume
2. additiondiluted with ether