(3R)-6-isopropyl-3-methyl-6-hepten-1-amine 、 (+/-)-1,6,7,11b-tetrahydro-4-methylthio-2H-pyrimido[4,3-a]isoquinoline hydroiodide 以
四氢呋喃 为溶剂,
以85%的产率得到(11bRS)-N
4-[(3R)-6-isopropyl-3-methyl-6-heptenyl]-1,6,7,11b-tetrahydro-2H-pyrimido[4,3-a]isoquinolin-4-amine hydroiodide