O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate → HCID 49801671, compound

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Reaction Steps

100 mg (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, 45 mg (0.30 mmol) (2,3-dihydro-1H-indol-3-yl)-methanol, 0.10 mL (0.71 mmol) TEA and 88 mg (0.27 mmol) TBTU in 1.0 mL DMF were stirred overnight at RT. The purification was carried out by preparative HPLC-MS. The product-containing fractions were combined and the solvent was evaporated down by about half. The precipitate formed was suction filtered and dried.

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