Ethylamine → 2-(3-Dimethylaminomethyl-phenylamino)-8-indan-5-yl-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid methylamide

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Reaction Conditions

Reaction Steps

2-(3-Dimethylaminomethyl-phenylamino)-8-indan-5-yl-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester (15 mg, 0.032 mmol) was dissolved in MeOH (1 mL) and ethylamine (1 mL of 1.0 M solution in THF, 1.0 mmol) was added and the reaction mixture was heated at 80° C. After 16 h, the solution was cooled to it and purified by preparative HPLC (C-18 column, 32 mL/min 5-100% MeCN/H2O gradient over 15 min) and lyophilized to provide 2.1 mg of 2-(3-dimethylaminomethyl-phenylamino)-8-indan-5-yl-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid methylamide. 1H NMR (TFA salt) (400 MHz, CDCl3) δ (ppm): 9.57 (s, 1H), 9.34 (s, 1H), 8.74 (s, 1H), 6.99-7.37 (m, 7H), 3.89 (br s, 2H), 3.39-3.46 (m, 2H), 2.89-3.02 (m, 4H), 2.60 (s, 6H), 2.13-2.17 (m, 2H), 1.19 (t, 1H, J=7.3 Hz). Mass Spectrum (LCMS, ESI pos.) Calcd. for C28H30N6O2: 482.24, Found: 483.2 (M+H).

Provenance & Evidence