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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1996353Generated: November 2, 2026

Dimethyl Sulfate → 5-Bromo-7-fluoro-2-methyl-2H-indazole

https://huagongshe.com/reaction/1996353

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethyl SulfateHCID 6497—
Reactant5-Bromo-7-fluoro-1H-indazoleHCID 66793110—
Reagent2-Propanol, 2-methyl-, lithium salt (1:1)HCID 23664764—
SolventDimethylformamideHCID 6228—
Product5-Bromo-7-fluoro-2-methyl-2H-indazoleHCID 122544572—
Internal standard9-PhenylanthraceneHCID 11766—

Reaction Conditions

Temperature25 °C

Provenance & Evidence

DOI10.1038/s41557
Source dataset39k HTE dataset from Pfizer
ORD IDord-ae3858655c794771ac0f717311da4212
Source note39k HTE dataset from Pfizer