Electric Literature of 6298-96-0, A common heterocyclic compound, 6298-96-0, name is 1-(4-Methoxyphenyl)ethylamine, molecular formula is C9H13NO, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.
A mixture of (S)-1-(4-methoxyphenyl)-ethylamine (475 mg) and 6-chloropurine riboside (300 mg) in PrOH (70 ml) was heated to 70 C. and reacted for 8 h. After evaporation of the reaction mixture, the residue was separated by column chromatography over Sephadex LH-20 gel and eluted with ethanol to yield N6-[(S)-1-(4-methoxyphenyl)-ethyl]adenosine (345 mg) as a white solid: positive ESIMS m/z 402 [M+H]+ and 424 [M+Na]+; 1H NMR (300 MHz, DMSO-d6): the adenosine moiety delta 8.38 (1H, s, H-2), 8.23 (1H, brs, -NH), 8.18 (1H, s, H-8), 5.90 (1H, d, J=6.3 Hz, H-1′), 5.46 (1H, d, J=6.3 Hz, -OH), 5.42 (1H, m, -OH), 5.20 (1H, d, J=4.5 Hz, -OH), 4.61 (1H, m, H-2′), 4.16 (1H, m, H-3′), 3.98 (1H, m, H-4′), 3.66 (1H, m, H-5’a), 3.54 (1H, m, H-5’b); the (S)-1-(4-methoxyphenyl)-ethyl moiety delta 7.35 (1H, d, J=8.4 Hz, H-2″, H-6″), 6.84 (1H, d, J=8.4 Hz, H-3″, H-5″), 5.48 (1H, m, H-7″), 3.71 (3H, s, -OCH3), 1.51 (3H, d, 7.2 Hz, H-8″); 13C NMR (75 MHz, DMSO-d6): the adenosine moiety 5153.9 (s, C-6), 152.3 (d, C-2), 148.6 (s, C-4), 139.8 (d, C-8), 119.7 (s, C-5), 88.0 (d, C-1′), 85.9 (d, C-4′), 73.6 (d, C-2′), 70.7 (d, C-3′), 61.7 (t, C-5′); the (S)-1-(4-methoxyphenyl)-ethyl moiety delta 158.0 (s, C-4″), 137.1 (s, C-1″), 127.3 (d, C-2″, C-6″), 113.6 (d, C-3″, C-5″), 55.0 (q, -OCH3), 48.2 (d, C-7″), 22.5 (q, C-8″).
The synthetic route of 6298-96-0 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF MEDICAL SCIENCES; Shi, Jiangong; Zhang, Jianjun; Yue, Zhenggang; Li, Min; Zhu, Chenggen; Zhang, Ying; Zi, Jiachen; Wang, Yafang; Fan, Xiaona; Xu, Ruiming; Lin, Sheng; Li, Yan; Yang, Yongchun; Sheng, Li; US2013/45942; (2013); A1;,
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