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LEAK PHARMACEUTICALS D.D.
| LEAK PHARMACEUTICALS D.D. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110105751 | CONVERSION OF TRYPTOPHAN INTO BETA-CARBOLINE DERIVATIVES - The invention belongs in the field of organic chemistry and relates to a new shortened Pictet-Spengler type reaction for preparing isomerically pure β-carboline compounds useful for the synthesis of tadalafil. | 05-05-2011 |