O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate → HCID 49801088, compound

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Reaction Steps

0.10 g (0.24 mmol) 6-(2′-oxo-1,1′,2′,3-tetrahydrospiro[indene-2,3′-pyrrolo[2,3-b]pyridin]-5-ylamino)pyrimidine-4-carboxylic acid hydrochloride, 50 mg (0.26 mmol) 5,6-difluoro-2,3-di-hydro-1H-indole, 0.10 mL (0.72 mmol) TEA and 80 mg (0.25 mmol) TBTU in 1.8 mL DMF were stirred overnight at RT. The purification was carried out by preparative HPLC-MS. The product-containing fractions were combined and lyophilised.

Provenance & Evidence