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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2365239Generated: October 29, 2026

Sulfuric Acid → HCID 67496730, compound

https://huagongshe.com/reaction/2365239

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 67495517HCID 67495517—
ProductHCID 67496730HCID 6749673079.1%

Reaction Conditions

Temperature160 °C

Reaction Steps

A suspension of 2-[2-hydroxy-2-(3-methyl-5-pyridin-2-yl-3H-[1,2,3]triazol-4-yl)-ethyl]-4-methyl-thiazole-5-carboxylic acid (152 mg, 0.44 mmol) in sulfuric acid (conc., 2.59 mL, 48.4 mmol) was heated at 160° C. under Ar for 7 h. After cooling to room temperature the mixture was poured into ice, adjusted to pH 4 with NaOH (6 N) and extracted with ethyl acetate and the combined organic extracts washed with brine, dried over sodium sulphate, filtered and evaporated to afford the title compound (114 mg, 79%) as an a yellow solid after trituration from methanol-water. MS: m/e=326.2 [M−H]−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08697696B2
Source datasetuspto-grants-2014_04
ORD IDord-fbb5aac0d6784690b588cb736945ca9f
Source noteuspto-grants-2014_04