Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850505Generated: October 31, 2026

1-Methyl-1H-imidazol-2-amine → 1-(1-methyl-1H-imidazole-2-yl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine

https://huagongshe.com/reaction/1850505

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-1H-imidazol-2-amineHCID 566321—
ReactantN,N-bis(2-chloroethyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amineHCID 66760837—
Product1-(1-methyl-1H-imidazole-2-yl)-4-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazineHCID 5948507451.9%

Reaction Steps

By using N,N-bis(2-chloroethyl)-2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-amine (330 mg, 1.0 mmol) synthesized in Reference Example 146 and 1-methyl-1H-imidazole-2-amine (146 mg, 1.5 mmol), the reaction was carried out in the same manner as Example 117 to obtain 184 mg of the title compound as an oily product (yield 52%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08957069B2
Source datasetuspto-grants-2015_02
ORD IDord-165922782e7448b5aad03781db869b3f
Source noteuspto-grants-2015_02