4-(tert-Butyl)-2-(tributylstannyl)pyridine → 2-(4-Trifluoromethyl-pyridin-2-yl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amide

Beteiligte Stoffe

Reaktionsschritte

Prepared according to the procedure outlined in Example 111, steps 4-5 substituting 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-1-(4-cyano-piperidine-1-carbonyl)-2,2-dimethyl-propyl]-amide for 2-bromo-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid [(R)-2-(4-cyano-piperidin-1-yl)-1-cyclopropyl-2-oxo-ethyl]-amide and 2-tributylstannanyl-4-trifluoromethyl-pyridine for 4-tert-butyl-2-(tributylstannyl)pyridine. MS: (M+H)+=514.

Herkunft & Nachweise