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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1402797Generated: October 31, 2026

3,4-Diaminotoluene → HCID 66759026, compound

https://huagongshe.com/reaction/1402797

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DiaminotolueneHCID 10332—
Reactant4-(4-chlorophenyl)dihydro-2H-pyran-2,6(3H)-dioneHCID 104639—
ProductHCID 66759026HCID 66759026—
ProductHCID 66759868HCID 66759868—

Reaction Steps

By a procedure similar to that of example 1.22.1, starting from commercial 4-methyl-1,2-phenylenediamine and 3-(4-chlorophenyl)glutaric anhydride, a 1:1-mixture of the regioisomers 7-methyl-3-phenyl-3,4-dihydropyrido[1,2-a]benzimidazol-1(2H)-one and 8-methyl-3-phenyl-3,4-dihydropyrido[1,2-a]benzimidazol-1(2H)-one was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08912186B2
Source datasetuspto-grants-2014_12
ORD IDord-c6f338270b4544d0a4cbdd8f0d38746a
Source noteuspto-grants-2014_12