Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1S)- → (8aS,12aS,13aS)-2,3-methylenedioxy-5,6,8a,9,10,11,12,12a,13,13a-decahydroisoquino[2,1-g][1,6]naphthyridin-8-one

Participants

Reaction Steps

Similarly, replacing the d-10-camphorsulfonic acid salt of (8aS,12aS,13aS)-3-methoxy-5,6,8a,9,10,11,12,12a,13,13a-decahydroisoquino[2,1-g][1,6]naphthyridin-8-one with compounds of formula (IA), obtained, for example, as described in Example 4C, and following the procedures of Example 5A above, the corresponding compounds of formula (I) as a free base are made.

Provenance & Evidence