Development of a scalable and safe procedure for the production of (3R)-3-(2,3-dihydro-1-benzofuran-5-yl)-1,2,3,4-tetrahydro-9H-pyrrolo[3,4-b]-quinolin-9-one, an intermediate in the synthesis of PDE-V inhibitors RWJ387273 (R301249) and RWJ444772 (R290629)

Willemsens, B., Vervest, I., Ormerod, D., Aelterman, W., Fannes, C., Mertens, N., Marko, I., & Lemaire, S. (2006). Development of a scalable and safe procedure for the production of (3R)-3-(2,3-dihydro-1-benzofuran-5-yl)-1,2,3,4-tetrahydro-9H-pyrrolo[3,4-b]-quinolin-9-one, an intermediate in the synthesis of PDE-V inhibitors RWJ387273 (R301249) and RWJ444772 (R290629). Organic Process Research and Development, 10(6), 1275-1281. https://doi.org/10.1021/op060099f (Original work published 2006)