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4-chloro-5-ethyl-6-methylselenopheno[2,3-d]pyrimidine

3-amino-5-tert-butylselenophene-2-carboxamide

DMF NaOH

→

title compound

3-(5-Ethyl-6-methylselenopheno[2,3-d]pyrimidin-4-ylamino)-5-tert-butylselenophene-2-carboxamide

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실험 절차

The reaction of 4-chloro-5-ethyl-6-methylselenopheno[2,3-d]pyrimidine with 3-amino-5-tert-butylselenophene-2-carboxamide in the presence of DMF/NaOH as described in Example 1 gave title compound as a pale yellow color solid, mp 258-260° C. IR (KBr) vmax 3321, 3149, 2960, 1666, 1582, 1384, 1356, 1224, 1187, 1129, 1042, 1020, 925, 838, 810 cm−1; 1H NMR (400 MHz, CDCl3): δ 10.96 (1H, s, exchangeable with D2O), 8.51 (1H, s), 8.49 (1H, s), 5.44 (2H, br s, exchangeable with D2O), 3.13 (2H, q, J=7.6 Hz), 2.57 (3H, s), 1.44 (9H, s), 1.24 (3H, t, J=7.6 Hz); 13C NMR (100 MHz, CDCl3): δ 172.1, 167.9, 167.1, 153.4, 151.2, 146.9, 135.6, 133.4, 122.8, 120.8, 110.6, 37.0, 32.6, 21.8, 15.8, 15.3; LC-MS (negative ion mode): m/z 465, 467, 469 (M−H)−.

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