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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 845628Generated: October 31, 2026

Benzoyl chloride → HCID 14032556, compound

https://huagongshe.com/reaction/845628

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzoyl chlorideHCID 7412—
ReactantFumaric AcidHCID 444972—
ReactantHCID 178480245HCID 178480245—
SolventDiethyl EtherHCID 3283—
ProductHCID 14032556HCID 1403255650.9%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 3.1 g of 6-fluoro-3-(1-methyl-4-piperidinyl)-1H-indazole and 8 ml of benzoyl chloride was heated at 100° C. in a steam bath for 8 hrs. After cooling, ether was added and the solid was collected. The solid was treated with ammonium hydroxide solution to give an oil. The oil was dissolved in 300 ml of ether, stirred and 1.2 g of fumaric acid was added. After four hrs at ambient temperature, the fumarate salt was collected. Recrystallization from ethanol-ether yielded 3.0 g (50.9%) of product, mp 180-182° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04758668
Source datasetuspto-grants-1988_07
ORD IDord-f81f091530864ee4b4ca93b6fa15c0b2
Source noteuspto-grants-1988_07