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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 575290Generated: October 29, 2026

(Diethylamino)sulfur trifluoride → Ethyl 9-bromo-4-fluoro-4-methyl-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylate

https://huagongshe.com/reaction/575290

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(Diethylamino)sulfur trifluorideHCID 123472—
ReactantEthyl 9-bromo-4-hydroxy-4-methyl-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylateHCID 86693318—
ReactantEthyl 9-bromo-4,4-difluoro-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylateHCID 86693319—
ProductEthyl 9-bromo-4-fluoro-4-methyl-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylateHCID 86693317—

Reaction Steps

The title compound was prepared from ethyl 9-bromo-4-hydroxy-4-methyl-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylate and DAST as described in the synthesis of ethyl 9-bromo-4,4-difluoro-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09034866B2
Source datasetuspto-grants-2015_05
ORD IDord-954eda9c04c44d8db6222910315764e4
Source noteuspto-grants-2015_05