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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 710511Generated: October 27, 2026

Phosphorus oxychloride → HCID 178490024, compound

https://huagongshe.com/reaction/710511

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant2,4-DimethoxyphenylpropionylchlorideHCID 15179939—
Reactant1H-benzimidazole-5-carbohydrazideHCID 16637119—
ProductHCID 178490024HCID 178490024—

Reaction Steps

The compound was synthesized starting from benzimidazol-5-carbohydrazide (176 mg, 1 mmol), TEA (0.153 ml; 1.1 mmol), 2,4-dimethoxyphenylpropionylchloride (228 mg, 1.1 mmol) and POCl3 (0.5 ml; 5.5 mmol) as described in method 1; yield: 0.013 mg (3.7%); MS m/z: 351.3[M+H]+; 1H-NMR (DMSO d6, 400 MHz): δ 2.97-3.00 (m, 2H); 3.11-3.13 (m, 2H); 3.71 (s, 6H); 6.41-6.43 (m, 1H); 6.51 (br s, 1H); 7.06-7.08 (m, 1H); 7.75-7.77 (m, 1H); 7.81-7.83 (m, 1H); 8.15 (br s, 1H); 8.43 (s, 1H); HPLC (METHOD [A]): rt 12.06 min (100%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09181233B2
Source datasetuspto-grants-2015_11
ORD IDord-97d0aada3ad847a4bd833364ed09b9ba
Source noteuspto-grants-2015_11