Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 945950-37-8, name is 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Computed Properties of C7H7N3
Sten 6: To a stirred solution of (3R,3aS,6aR)-6.-((3-bromo-2-((4-methoxvbenzvl)amino)quinoiin-7-vi)nelhyi)hexahydro-211.-cyciopenta[h]furan-2,3,3a.-trioi (250 rng, 0.486 mmoi) in dry MeCN(9 rnL) was added tributviphosphine (176 ing, 0.869 rnmoi), followed by (E)-diazene-J.2-divlhis(piperi din-i -ylmethanone) (206 111g. 0815 mrnoi) at room temperature. The reactionmixture was stirred at room temperature for I h. and the solution was used directly in the nextstep without characterization; Step 7: To a stirred solution of 4-methyF-7I-Ipyrro1o [2, 3dj pyrimidine (129 mg, 0.970 mniol) in dry DMF (6 mL) was added sodium hydride (60% dispersion in mineral oil) (58.2 111g. 1.46 mmoi) at 0 C. The suspension was stirred at room temperature for 30 minutes, The suspensionwas transferred to the solution from the previous step containing the epoxide intermediate via syringe, and the resulting mixture was stirred at room temperature for 2 h. The reaction mixture was quenched with saturated aqueous ammonium chloride (30 mL) and extracted with EtOAc (40 mL 3). The combined organic layers were washed with brine (40 mL), dried over anhydrous sodium sulfate, and filtered. The filtrate was concentrated under reduced pressure.The residue was purified by Preparative TLC (MeOH/DCM) to afford (2R,3R,3aS,6aR)-6-(3- bromo-2(rnethoxyhenzyi)amino)quinolin-7-yl)methvi)-2-?4-methyi7H-pyrroio[2,3- d]pyrirnidinT-yi)hexahydro-3aWcyclopenta[hfuran-3, 3a-diol. MS: 630/632 (M+ 1/M+3). ?H NMR (40() M1-lz, DMSO-d6) oe 8.69 (s, 11-1), 8.32 (d, J= 6.0 Hz, IH), 8.02 (s, 1H), 7.54 (d, J= 8.2 Hz, 1H), 7.33 (d, J= 8.4 Hz, 2H), 7.14 -7.04 (rn, 3H), 6.91 -6.80 (m, 4H), 6.03(d, J 8.1Hz, 1H), 5.30 (d, J= 7.0 Hz, 1H), 5.12 (s, 1H), -4.61 (d, J= 6.2 Hz, 2H), 4.22 (t. J 7.6 Hz, 1H),4.04 (d, J == 6.6 Hz. 11-1), 3.72 (s, 31-1), 2.83 (dd, J: 13.7, 7.2 Hz, 11-1), 2.69(s. 31-1). 2.65 (s, 11-1),2,37 -2.22 (m, 11:1), 1.99- 1.93 (mn, 1H). 1,55 (d, J= 6.5 Flz. 2H).
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Reference:
Patent; MERCK SHARP & DOHME CORP.; IDENIX PHARMACEUTICALS LLC; MACHACEK, Michelle; WITTER, David; GIBEAU, Craig; HUANG, Chunhui; KAWAMURA, Shuhei; SLOMAN, David, L.; SILIPHAIVANH, Phieng; QUIROZ, Ryan; WAN, Murray; SCHNEIDER, Sebastian; YEUNG, Charles, S.; REUTERSHAN, Michael, H.; HENDERSON, Timothy, J.; PAPARIN, Jean-Laurent; RAHALI, Houcine; HUGHES, Jonathan, M., E.; SANYAL, Sulagna; YE, Yingchun; CANDITO, David, A.; FIER, Patrick, S.; SILVERMAN, Steven, M.; (277 pag.)WO2020/33288; (2020); A1;,
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