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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 482471Generated: October 30, 2026

m-Tolyl isocyanate → 1,3-Dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-3-(3-methylphenylureido)-1,4-benzodiazepin-2-one

https://huagongshe.com/reaction/482471

Reaction equation

Participants

RoleNameHCIDCharge
Reactantm-Tolyl isocyanateHCID 69303—
Reactant3-Amino-1,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-1,4-benzodiazepin-2-oneHCID 15379622—
Product1,3-Dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-3-(3-methylphenylureido)-1,4-benzodiazepin-2-oneHCID 7005250494%

Reaction Steps

By using 3-amino-1,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-1,4-benzodiazepin-2-one as above and by condensing it as above with 3-methylphenyl isocyanate, 1,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-3-(3-methylphenylureido)-1,4-benzodiazepin-2-one is obtained; m.p.=260° C.; Yield=94%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05798353
Source datasetuspto-grants-1998_08
ORD IDord-aced1033e7a3499cac747360c107fe61
Source noteuspto-grants-1998_08