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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1672260Generated: October 31, 2026

Benzofuran-2-carboxylic acid → HCID 67332297, compound

https://huagongshe.com/reaction/1672260

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzofuran-2-carboxylic acidHCID 10331—
ReactantBenzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 151348—
ReactantHCID 67333061HCID 67333061—
ProductHCID 67332297HCID 6733229740.1%

Reaction Steps

BOP coupling of 2-[(4′-Amino-biphenyl-4-carbonyl)-amino]-pentanedioic acid di-tert-butyl ester (349 mg, 0.77 mmol) with 2-Benzofuran carboxylic acid (124 mg, 0.77 mmol, 1 equiv.) was carried out according to procedures in step A of Example 6B to give 185 mg of 2-({4′-[(Benzofuran-2-carbonyl)-amino]-biphenyl-4-carbonyl}-amino)-pentanedioic acid di-tert-butyl ester in 40% yield. MS (ESI) m/z 597.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07998965B2
Source datasetuspto-grants-2011_08
ORD IDord-14c7eae662ee4dfea3387a20ac1728b4
Source noteuspto-grants-2011_08