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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1979234Generated: October 31, 2026

p-Toluenesulfonic acid monohydrate → HCID 178445924, compound

https://huagongshe.com/reaction/1979234

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acid monohydrateHCID 521998—
ReactantHCID 178445925HCID 178445925—
SolventMethanolHCID 887—
ProductHCID 178445924HCID 17844592493.9%

Reaction Steps

A solution of 0.190 g of (E)-2(R)-[1(S)-[(tetrahydro-2(RS)-pyranyloxy)-carbamoyl]-4-phenyl-3-butenyl]-2′-isobutyl-4-methyl-2′-[2-(1H-tetrazol-5-yl)-acetyl]valerohydrazide in 5 mL of methanol was treated with 0.020 g of p-toluenesulphonic acid monohydrate. The mixture was stirred for 2 hours at room temperature and evaporated. The residue was triturated with diethyl ether, filtered off and dried to give 0.152 g of (E)-2(R)-[1(S)-(hydroxycarbamoyl)-4-phenyl-3-butenyl]-2′-isobutyl-4-methyl-2′-[2-(1H-tetrazol-5-yl)acetyl]valerohydrazide in the form of a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06239151B1
Source datasetuspto-grants-2001_05
ORD IDord-57971261b0ea4b7e9ccede26fff1c7c3
Source noteuspto-grants-2001_05