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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 354772Generated: October 27, 2026

1-Bromopropane → 9-chloro-5-(o-fluorophenyl)-1,3-dihydro-3,3-dimethyl-7-nitro-2H-1,4-benzodiazepin-2-one

https://huagongshe.com/reaction/354772

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-BromopropaneHCID 7840—
Reactant5-(o-fluorophenyl)-1,3-dihydro-1,3,3-trimethyl-7-nitro-2H-1,4-benzodiazepin-2-oneHCID 20506156—
ReactantHCID 20506198HCID 20506198—
SolventDiethylether hexaneHCID 21584099—
Product9-chloro-5-(o-fluorophenyl)-1,3-dihydro-3,3-dimethyl-7-nitro-2H-1,4-benzodiazepin-2-oneHCID 20506164—

Reaction Steps

From 32 g (0.088 mol) of 9-chloro-5-(o-fluorophenyl)-1,3-dihydro-3,3-dimethyl-7-nitro-2H-1,4-benzodiazepin-2-one and propyl bromide there is obtained, in analogy to the details in paragraph (c) of Example 1, with a reaction period of 3 days, 9-chloro-5-(o-fluorophenyl)-1,3-dihydro-3,3-dimethyl-7-nitro-1-propyl-2H-1,4-benzodiazepin-2-one of melting point 142°-143° (ether/n-hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04377522
Source datasetuspto-grants-1983_03
ORD IDord-652ece06fe5540e2bfbd52db13cd4e66
Source noteuspto-grants-1983_03