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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 855926Generated: October 31, 2026

2-(5-Methoxy-2-methoxymethoxyphenyl)-4-(2-pyridylmethyl)aminomethylbenzoxazole → 2-(4,5-Dimethoxy-2-hydroxyphenyl)-4-(2-pyridylmethyl) aminomethylbenzoxazole

https://huagongshe.com/reaction/855926

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(5-Methoxy-2-methoxymethoxyphenyl)-4-(2-pyridylmethyl)aminomethylbenzoxazoleHCID 21959314—
Reactant4-Bromomethyl-2-(4,5-dimethoxy-2-methoxymethoxyphenyl)benzoxazoleHCID 21959335—
Product2-(4,5-Dimethoxy-2-hydroxyphenyl)-4-(2-pyridylmethyl) aminomethylbenzoxazoleHCID 135428694—

Reaction Steps

2-(4,5-dimethoxy-2-hydroxyphenyl)-4-(2-pyridylmethyl)aminomethyl-benzoxazole (F19) was prepared in a similar manner for the preparation of 2-(5-methoxy-2-methoxymethoxyphenyl)-4-(2-pyridylmethyl)aminomethylbenzoxazole (F16) using 4-bromomethyl-2-(4,5-dimethoxy-2-methoxymethoxyphenyl)benzoxazole (F13) (612 mg, 1.59 mmol) instead of 4-bromomethyl-2-(5-methoxy-2-methoxymethoxyphenyl)benzoxazole (F12) in 17% (112 mg); 1H-NMR (500 MHz, CDCl3) δ3.56 (s, 3H), 3.95 (s, 3H), 3.97 (s, 3H), 4.02 (s, 2H), 4.30 (s, 2H), 5.27 (s, 2H), 6.85 (s, 1H), 7.15 (dd, 1H, J=7.5, 5.0 Hz), 7.28 (t, 1H, J=7.5 Hz), 7.33 (d, 1H, J=7.5 Hz), 7.42 (d, 1H, J=7.5 Hz), 7.47 (d, 1H, J=7.5 Hz), 7.64 (m, 2H), 8.55 (d, 1H, J=5.0 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07262301B1
Source datasetuspto-grants-2007_08
ORD IDord-acd3657e39ab41879c5e403b6fb1046a
Source noteuspto-grants-2007_08