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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1892332Generated: November 1, 2026

Stannane, tributyl(1-ethoxyethenyl)- → 6-(1-Ethoxy-vinyl)-3-[1-(1-methyl-1H-indazol-5-yl)-ethyl]-imidazo[1,2-b]pyridazine

https://huagongshe.com/reaction/1892332

Reaction equation

Participants

RoleNameHCIDCharge
ReactantStannane, tributyl(1-ethoxyethenyl)-HCID 619414—
Reactant6-(1-Ethoxy-vinyl)-3-(1-methyl-1H-indazol-5-ylmethyl)-imidazo[1,2-b]pyridazineHCID 58190497—
Reactant6-Chloro-3-[1-(1-methyl-1H-indazol-5-yl)-ethyl]-imidazo[1,2-b]pyridazineHCID 58190539—
CatalystHCID 178418397HCID 178418397—
Product6-(1-Ethoxy-vinyl)-3-[1-(1-methyl-1H-indazol-5-yl)-ethyl]-imidazo[1,2-b]pyridazineHCID 6692708395.6%

Reaction Steps

The title compound (415.0 mg, 86%, 90% purity) was synthesized from 6-chloro-3-[1-(1-methyl-1H-indazol-5-yl)-ethyl]-imidazo[1,2-b]pyridazine (390.0 mg, 1.25 mmol), tributyl(1-ethoxyvinyl)stannane (497.0 mg, 1.38 mmol) and Pd(PPh3)4 (145 mg, 0.13 mmol) using the same procedure as described in the synthesis of compound 13.3. LCMS (method A): [MH]+=348, tR=5.86 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08507676B2
Source datasetuspto-grants-2013_08
ORD IDord-6ae92ad5a3c84cfcbc611be45f24863a
Source noteuspto-grants-2013_08