6-benzyl-3-benzyloxycarbonylamino-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidine-6-carboxylic Acid → benzyl N-[6-benzyl-6-[[4-[N-[(2-methylpropan-2-yl)oxycarbonyl]carbamimidoyl]phenyl]methylcarbamoyl]-4-oxo-7,8-dihydropyrrolo[1,2-a]pyrimidin-3-yl]carbamate

Beteiligte Stoffe

Reaktionsschritte

According to the procedure for the preparation of intermediate 19c, intermediate 21b (50 mg, 0.119 mmol) was coupled with [(4-aminomethyl-phenyl)-imino-methyl]-carbamic acid tert-butyl ester to afford 77 mg (quantitative) of intermediate 21c.

Herkunft & Nachweise