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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 588566Generated: October 30, 2026

2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane → 2-(4-chloro-3-(cyclopent-1-en-1-yl)-5-phenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)-1-(pyrrolidin-1-yl)ethanone

https://huagongshe.com/reaction/588566

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneHCID 15486611—
Reactant2-(4-chloro-3-iodo-5-phenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)-1-(pyrrolidin-1-yl)ethanoneHCID 86717267—
Product2-(4-chloro-3-(cyclopent-1-en-1-yl)-5-phenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)-1-(pyrrolidin-1-yl)ethanoneHCID 90109619—

Reaction Steps

Compound In was synthesized according to Example 1 Step 8, except 2-(4-chloro-3-iodo-5-phenyl-1H-pyrazolo[3,4-c]pyridazin-1-yl)-1-(pyrrolidin-1-yl)ethanone was used instead of 4-chloro-3-iodo-1-(2-(4-methylpiperazin-1-yl)ethyl)-5-phenyl-1H-pyrazolo[3,4-c]pyridazine and 2-(cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane was used instead of 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09227976B2
Source datasetuspto-grants-2016_01
ORD IDord-50404e8680c5480dbfc93876a4df6822
Source noteuspto-grants-2016_01