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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2389699Generated: October 30, 2026

tert-Butyl methyl ether → 3-Chloro-4,7-difluoro-benzo[b]thiophene-2-carboxylic acid (2-ethyl-5-pyridin-4-yl-benzyl)-(4-methylamino-cyclohexyl)-amide dihydrochloride

https://huagongshe.com/reaction/2389699

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl methyl etherHCID 15413—
Reactanttert-Butyl {4-[(3-chloro-4,7-difluoro-benzo[b]thiophene-2-carbonyl)-(2-ethyl-5-pyridin-4-yl-benzyl)-amino]-cyclohexyl}-methyl-carbamateHCID 59683611—
SolventDichloromethaneHCID 6344—
Product3-Chloro-4,7-difluoro-benzo[b]thiophene-2-carboxylic acid (2-ethyl-5-pyridin-4-yl-benzyl)-(4-methylamino-cyclohexyl)-amide dihydrochlorideHCID 68314581—

Reaction Steps

tert-Butyl carbamate 238 (40 mg, 0.06 mmol) is deprotected using Method F. The isolated salt is then dissolved in the minimum amount of DCM and added dropwise to cold (0° C.) TBME (5 mL). The resultant precipitate is isolated by filtration and dried to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273747B2
Source datasetuspto-grants-2012_09
ORD IDord-987adcb4bc7d4ce2a042885a305597e2
Source noteuspto-grants-2012_09