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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 532981Generated: October 25, 2026

1,2,3-Trimethoxy-5-(prop-2-yn-1-yl)benzene → 5-[3-(3,4,5-Trimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine

https://huagongshe.com/reaction/532981

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2,3-Trimethoxy-5-(prop-2-yn-1-yl)benzeneHCID 15285621—
Reactant5-Iodopyrimidine-2,4-diamineHCID 16110335—
Product5-[3-(3,4,5-Trimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamineHCID 1611032380%

Reaction Steps

2,4-Diamino-5-iodopyrimidine (236 mg) was allowed to react with 1,2,3-Trimethoxy-5-(prop-2-ynyl)benzene (412 mg) as per the general procedure to afford 2,4-Diamino-5-(3-(3,4,5-trimethoxyphenyl)prop-1-ynyl)pyrimidine as a white powder (251 mg, 80%): Rf=0.23 (9:1, CHCl3:MeOH); mp=decomposed above 190° C.; 1H NMR (DMSO-d6) δ 7.84 (s, 1H), 6.71 (s, 2H), 6.26 (s, 2H), 3.80 (s, 2H), 3.77 (s, 6H), 3.63 (s, 3H); 13C NMR (DMSO-d6) δ 163.8, 162.2, 158.7 152.8, 136.0, 132.8, 105.2, 93.1, 90.1 76.5, 60.1, 55.8, 25.6; Anal. (C16H18N4O3) C, H, N.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08853228B2
Source datasetuspto-grants-2014_10
ORD IDord-e00c50f257984e6b9800af5b4963af57
Source noteuspto-grants-2014_10