Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 716542Generated: October 31, 2026

3,6-Dibromothieno(3,2-b)thiophene → 4-(6-bromo-thieno[3,2-b]thiophen-3-yl)-2-(S)-(1-tert-butoxycarbonyl-pyrrolidin-2-yl)-imidazole-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/716542

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,6-Dibromothieno(3,2-b)thiopheneHCID 10613979—
Reactant2-((S)-1-tert-butoxycarbonyl-pyrrolidin-2-yl)-5-tributylstannanyl-imidazole-1-carboxylic acid tert-butyl esterHCID 67240181—
Reactant(S)-2-{5-[5-(4-{2-[(S)-1-((S)-2-methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-phenyl)-thieno[3,2-b]thiophen-2-yl]-1H-imidazol-2-yl}-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 67240543—
Product4-(6-bromo-thieno[3,2-b]thiophen-3-yl)-2-(S)-(1-tert-butoxycarbonyl-pyrrolidin-2-yl)-imidazole-1-carboxylic acid tert-butyl esterHCID 58310397—

Reaction Steps

Compound 76 was synthesized from 3,6-dibromothieno[3,2,b]thiophene (6.71 mmol) and compound 61 (6.71 mmol), following the procedure as described for compound 63 to give compound 76 as a yellow cristal. MS (ESI, EI+) m/z=554-556 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187496B2
Source datasetuspto-grants-2015_11
ORD IDord-f9a4c37dd0704e84be9bab22626b0460
Source noteuspto-grants-2015_11