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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1452903Generated: October 25, 2026

Pyridine → N-[3-(1H-benzimidazol-2-yl)-1-(2-trimethylsilanylethoxymethyl)-1H-indazol-5-yl]-2-methylsulfonylbenzenesulfonamide

https://huagongshe.com/reaction/1452903

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant2-Methanesulfonylbenzene-1-sulfonyl chlorideHCID 2735178—
Reactant3-(1H-benzimidazol-2-yl)-5-amino-1-{[2-(trimethylsilyl)ethoxy]methyl}indazoleHCID 136336345—
SolventCyclohexane ethylacetateHCID 21867204—
ProductN-[3-(1H-benzimidazol-2-yl)-1-(2-trimethylsilanylethoxymethyl)-1H-indazol-5-yl]-2-methylsulfonylbenzenesulfonamideHCID 13562193494%

Reaction Steps

N-[3-(1H-Benzimidazol-2-yl)-1-(2-trimethylsilanylethoxymethyl)-1H-indazol-5-yl]-2-methylsulfonylbenzenesulfonamide can be obtained as described in Example 2 from 130 mg of 3-(1H-benzimidazol-2-yl)-1-(2-trimethylsilanylethoxymethyl)-1H-indazol-5-ylamine, 5 ml of pyridine and 87 mg of 2-methylsulfonylbenzenesulfonyl chloride. 192 mg of N-[3-(1H-benzimidazol-2-yl)-1-(2-trimethylsilanylethoxymethyl)-1H-indazol-5-yl]-2-methylsulfonylbenzenesulfonamide are thus obtained in the form of an orange lac (Rf=0.53, silica gel thin layer chromatography, eluent: cyclohexane/ethyl acetate (50/50 by volume), mass analysis: Cl: m/z 598 (M+H)+.)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07473701B2
Source datasetuspto-grants-2009_01
ORD IDord-fbc690c71eed401c89c826aefc320599
Source noteuspto-grants-2009_01