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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1533816Generated: November 4, 2026

Formaldehyde → HCID 18354871, compound

https://huagongshe.com/reaction/1533816

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantSodium cyanoborohydrideHCID 5003444—
ReactantHCID 18354848HCID 18354848—
SolventMethanolHCID 887—
SolventChloroformHCID 6212—
ProductHCID 18354871HCID 1835487189.8%

Reaction Steps

A mixture of N-[2-(4-aminobut-1-yloxy)-4-methylphenyl]-3-methoxy-N-methyl-4-(2-methyl-1H-benzimidazol-4-yl)carbonylaminobenzamide (150 mg), 37% formaldehyde solution (43.7 mg) and sodium cyanoborohydride (18.3 mg) in methanol (10 ml) was stirred at ambient temperature for 6 hours. The mixture was diluted with chloroform and the solution was washed with saturated aqueous sodium hydrogen carbonate and brine. The organic phase was dried over magnesium sulfate and the solvent was evaporated in vacuo. The crude product was purified by silica gel column (5% methanol in chloroform) to give N-[2-(4-dimethylaminobut-1-yloxy)-4-methylphenyl]-3-methoxy-N-methyl-4-(2-methyl-1H-benzimidazol-4-yl)carbonylaminobenzamide (142 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06207693B1
Source datasetuspto-grants-2001_03
ORD IDord-c2f53fc9c42c4c7cac113417294edbdb
Source noteuspto-grants-2001_03