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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 575409Generated: October 29, 2026

Methanesulfonyl chloride → Methyl 10-bromo-9-fluoro-3-((1-methyl-1H-pyrazol-5-yl)methyl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylate

https://huagongshe.com/reaction/575409

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanesulfonyl chlorideHCID 31297—
ReactantMethyl 10-bromo-9-fluoro-3-[hydroxy-(2-methylpyrazol-3-yl)methyl]-5,6-dihydroimidazo[1,2-d][1,4]benz oxazepine-2-carboxylateHCID 86693425—
ReactantMethyl 10-bromo-9-fluoro-3((1-methyl-1H-pyrazol-5-yl)methyl)-6,7-dihydro-5H-5,7-methanobenzo[c]imidazo[1,2-a]azepine-2-carboxylateHCID 86693454—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
ProductMethyl 10-bromo-9-fluoro-3-((1-methyl-1H-pyrazol-5-yl)methyl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylateHCID 86693460—

Reaction Steps

Methyl 10-bromo-9-fluoro-3-((1-methyl-1H-pyrazol-5-yl)methyl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylate was prepared similarly to methyl 10-bromo-9-fluoro-3-((1-methyl-1H-pyrazol-5-yl)methyl)-6,7-dihydro-5H-5,7-methanobenzo[c]imidazo[1,2-a]azepine-2-carboxylate. Methyl 10-bromo-9-fluoro-3-(hydroxy(1-methyl-1H-pyrazol-5-yl)methyl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylate was reacted with methanesulfonyl chloride followed by palladium on carbon and hydrogen to afford 105 mg (85% crude yield) of the titled crude product which was carried forward without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034866B2
Source datasetuspto-grants-2015_05
ORD IDord-47efdaba59a74e459795f06b6f04b3bd
Source noteuspto-grants-2015_05