N4-(9-Ethyl-9H-carbazol-3-yl)-N2-(3-Morpholin-4-yl-propyl)-pyriMidine-2,4-diaMine synthesis

Yield: 93%

Reaction Conditions:

with N-ethyl-N,N-diisopropylamine in iso-butanol at 120; for 0.5 h;Microwave irradiation;

Steps:

Synthesis of EHop-016
₄Synthesis of EHop-016 [0031] ¹H and ¹³C NMR spectra were recorded on a Bruker 400 MHz Spectrometer. Mass spectra were obtained on a Hewlett Packard 6890N GC/MS Spectrometer. All chemicals were purchased from Sigma Aldrich Chemical Company. The synthesis of EHop-016 (5) was performed in two steps according to the reaction scheme provided in FIG. 1(A), and carried out analogous to the procedure described in (58). (2-Chloro-pyrimidin-4-yl)-(9-ethyl-9H-carbazol-3-yl)-amine 3 was obtained as a pure compound in a yield of 53%. The product was identified with TLC, NMR and GC/MS. R_f=0.23 (3:1, Hexane-Ethyl Acetate); ¹H NMR (DMSO-d₆, 400 MHz) δ 1.32 (t, J=6.9 Hz, 3H), 4.45 (q, J=6.6 Hz, 2H), 6.72 (s, 1H), 7.20 (t, J=7.36 Hz, 1H), 7.47 (t, J=7.30 Hz, 1H), 7.56 (s, 1H), 7.62 (t, J=8.68 Hz, 1H), 8.11 (t, J=7.36 Hz, 1H), 8.27 (s, 1H), 10.1 (s, 1H); ¹³C (DMSO-d₆, 100 MHz) δ 13.7, 37.0, 109.2, 109.4, 115.0, 118.7, 120.3, 121.3, 121.9, 122.3, 125.9, 129.9, 136.9, 140.0, 156.9, 159.6, 162.4; LRGC-MS m/z (rel %):[M]⁺ 276 (100), [M-Cl]⁺ 241 (40), [M-C₅H₅N₃Cl]⁺ 134 (26). N⁴-(9-Ethyl-9H-carbazol-3-yl)-N2-(3-morpholin-4-yl-propyl)-pyrimidine-2,4-diamine 5 (EHop-016) was obtained as a pure compound in a yield of 93%. The product was identified to be essentially pure by TLC and NMR: R_f=0.34 (9:1, CH₂Cl₂-MeOH); ¹H NMR (DMSO-d₆, 400 MHz) δ 1.31 (t, J=7.0 Hz, 3H), 1.73 (m, 2H), 2.32 (m, 2H), 2.34 (t, J=6.89 Hz, 8H), 3.52 (m, 2H), 4.42 (q, J=7.0 Hz, 2H), 5.98 (d, J=5.7 Hz, 1H), 6.69 (t, J=5.3 Hz, 1H), 7.16 (t, J=7.4, 1H), 7.43 (t, J=7.2 Hz, 1H), 7.53 (t, J=9.0 Hz, 4H), 7.81 (d, J=5.4 Hz, 1H), 8.10 (s, 1H), 8.66 (s, 1H), 9.1 (s, 1H); ¹³C (DMSO-d₆, 100 MHz) δ 13.7, 26.2, 36.9, 53.4, 56.3, 66.2, 108.9, 109.0, 118.2, 119.7, 120.2, 122.0, 122.2, 125.6, 132.5, 135.5, 139.9, 159.8, 160.9, 162.1.

References:

UNIVERSITY OF PUERTO RICO;Hernandez, Eliud;Vlaar, Cornelis;Dharmawardhane, Suranganie US2013/172552, 2013, A1 Location in patent:Paragraph 0031