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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 912899Generated: October 31, 2026

1,1'-Carbonyldiimidazole → methyl 2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylate

https://huagongshe.com/reaction/912899

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant3,5-Diamino-2-methylbenzoic acidHCID 135524—
Productmethyl 2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylateHCID 10352553—

Reaction Steps

Methyl-3,4-diaminobenzoate (1.251 g, 7.5 mmol, Lancaster) was reacted with 1,1′-carbonyldiimidazole (2.128 g, 13.1 mmol, Aldrich) under the conditions of Example 1b to give the title compound as an amorphous solid. MS (ESI, pos. ion) m/z: 193 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08026241B2
Source datasetuspto-grants-2011_09
ORD IDord-2141bd93b6804bf1abd80b213a3d1faa
Source noteuspto-grants-2011_09