Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 356058-42-9, name is 2-(2-((4-Fluorobenzyl)thio)-4-oxo-4,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-1-yl)acetic acid. A new synthetic method of this compound is introduced below., Computed Properties of C16H15FN2O3S
Amine 8 (1 eq, 52 mg) and acid 12′ (1 eq, 50 mg) were dissolved in DMF (1 mL) then stirred with DIPEA (2 eq, 52 mu) for 10 min at rt. The reaction was then cooled with an ice bath to 0C and COMU (1 eq, 64 mg) was added. The mixture was stirred at 0C for lh then the bath was removed and the reaction was allowed to reach rt and continued for 5h. The compound was extracted using EtOAc three times (5 mL x 3). The combined organic layers were then washed several times with saturated NaHC03 until washing solution was colourless. The resulting organic solution was dried, filtered and evaporated. The product was then purified using column chromatography on silica gel DCM/MeOH (90/10) (Rf = 0.2) as a pale yellow solid (65 mg, 65%). 1H NMR (600 MHz, CDC13) Mix of rotamers ratio (1/1) delta 7.69 (d, J = 7.9 Hz, 2H), 7.62 (d, J = 7.9 Hz, 1H), 7.56 (d, J = 6.7 Hz, 1H), 7.46 (m, 2H), 7.37-7.26 (m, 4H), 6.96 (t, J = 7.4 Hz, 1H), 6.89 (t, J = 7.4 Hz, 1H), 4.95 (s, 1H), 4.69 (m, 3H), 4.50 (s, 1H), 4.40 (s, 1H), 3.64 (m, 1H), 3.30 (m, 1H), 2.88 (m, 1H), 2.81 (t, J = 6.7 Hz, 1H), 2.76 (t, J = 6.7 Hz, 4H), 2.59 (t, J = 7.1Hz, 2H), 2.51 (q, J = 7.0 Hz, 2H), 2.11 (quint, J = 7.4 Hz, 1H), 2.05 (quint, J = 7.4 Hz, 1H), 1.10 (t, J = 7.1Hz, 3H), 0.98 (t, J = 7.1Hz, 3H). 13C-NMR (CDC13, 150 MHz) Mix of rotamers delta: 167.5, 166.5, 162.2 (d, JCF = 240 Hz), 161.4, 161.3, 156.8, 156.5, 144.1, 143.6, 139.8, 139.3, 136.8, 135.4, 131.5 (d, JCF = 3 Hz), 131.2 (d, JCF = 9 Hz), 131.1 (d, JCF = 3 Hz), 129.8 (m), 128.8, 128.0 (m), 127.7 (m), 127.4, 127.3, 127.2, 125.9 (m), 124.4 (m), 121.3, 121.2, 115.7 (d, JCF = 23 Hz), 115.6 (d, JCF = 23 Hz), 51.4, 50.4, 50.3, 50.1, 49.2, 47.8, 47.3, 46.1, 36.6, 36.5, 32.1, 32.0, 28.5, 28.4, 20.9, 20.8, 11.8;
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Reference:
Patent; INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE); UNIVERSITE DE LA REUNION; MEILHAC, Olivier; JESTIN, Emmanuelle; GUIBBAL, Florian; BENARD, Sebastien; (80 pag.)WO2019/63634; (2019); A1;,
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