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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1819871Generated: October 31, 2026

Pivaloyl chloride → N-(2,3-dihydro-1H-cyclopenta(b)benzofuran-7-yl)-2,2-dimethyl-propionamide

https://huagongshe.com/reaction/1819871

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPivaloyl chlorideHCID 62493—
Reactant2,3-dihydro-1H-cyclopenta[b]benzofuran-7-ylamineHCID 19621392—
SolventPyridineHCID 1049—
ProductN-(2,3-dihydro-1H-cyclopenta(b)benzofuran-7-yl)-2,2-dimethyl-propionamideHCID 2489995262.2%

Reaction Steps

Following the procedure of Example 1, 2,3-dihydro-1H-cyclopenta[b]benzofuran-7-ylamine (0.69 g, 4.0 mmol) and trimethylacetyl chloride (0.55 mL, 4.4 mmol) in pyridine (10 mL) provided N-(2,3-dihydro-1H-cyclopenta(b)benzofuran-7-yl)-2,2-dimethyl-propionamide (0.64 g). Mp 188.5-190.0° C.; MS m/z 258 ([M+H]+); Anal. Calcd. for C16H19NO2: C, 74.68; H, 7.44; N, 5.44; Found: C, 74.67; H, 7.43; N, 5.39.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601856B2
Source datasetuspto-grants-2009_10
ORD IDord-cb95bb9133864447b77c459423d68fdf
Source noteuspto-grants-2009_10