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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524666Generated: November 2, 2026

Ethyl Acetoacetate → HCID 90043973, compound

https://huagongshe.com/reaction/524666

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetoacetateHCID 8868—
Reactant2-Bromo-4-fluorobenzaldehydeHCID 2773319—
Reactant5-Methyl-1,3,4-thiadiazole-2-carboximidamide hydrochlorideHCID 90042985—
ProductHCID 90043973HCID 9004397325%

Reaction Steps

5-methyl-1,3,4-thiadiazole-2-carboximidamide hydrochloride (1.8 g, 10 mmol) was reacted with 2-bromo-4-fluorobenzaldehyde (2.03 g, 10 mmol) and ethyl 3-oxobutanoate (1.56 g, 12 mmol) according to the procedure as described in Example 1, Step A to give the title compound as a yellow solid (1.0 g, 25%). The compound was characterized by the following spectroscopic data:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340538B2
Source datasetuspto-grants-2016_05
ORD IDord-3fb6ac73c95d4139bda2735f47feba69
Source noteuspto-grants-2016_05