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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 919375Generated: October 26, 2026

5-Nitrothiophene-2-carboxaldehyde → 5-Nitro-2-thiophenecarbaldehyde 2-(6-trifluoromethyl-1,3-benzothiazol-2yl)hydrazone

https://huagongshe.com/reaction/919375

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Nitrothiophene-2-carboxaldehydeHCID 78281—
Reactant5-Nitro-2-furaldehyde 2-(1,3-benzothiazole-2-yl)hydrazoneHCID 2856671—
Reactant2-Hydrazino-6-trifluoromethyl-benzothiazoleHCID 24728955—
Product5-Nitro-2-thiophenecarbaldehyde 2-(6-trifluoromethyl-1,3-benzothiazol-2yl)hydrazoneHCID 86664231—

Reaction Steps

The compound 3h was prepared according procedure described for 3a by employing 5-nitrothiophen aldehyde (157 mg, 1 mmol) and 2-hydrazino-6-trifluoromethyl-benzothiazole (233 mg, 1 mmol) at 70° C. for 2 h (yield 312 mg, 84%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09273039B2
Source datasetuspto-grants-2016_03
ORD IDord-a13763deafa0473cb758d16ed7eaa7b1
Source noteuspto-grants-2016_03