反应详情

Alternatively, in Scheme 2, Step G, the phthalimide group of the tetrahydrocyclopenta[b]indole of formula (8) is cleaved with hydrazine or hydrazine hydrate to provide an aminotetrahydrocyclopenta[b]indole of formula (9) as previously described in Step B. Subsequently, the resulting free amine is converted to the p-toluenesulfonic acid salt in ethanol.