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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 272525Generated: October 25, 2026

Succinate → (2R,3S) N1-[(3S)-1,3-dihydro-1-methyl-2-oxo-5-phenyl-2H-1,4-benzodiazepin-3-yl]-2-(2-methylpropyl)-3-(cyclopentylethyl)-butanediamide

https://huagongshe.com/reaction/272525

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSuccinateHCID 160419—
Reactant3-Amino-1-methyl-5-phenyl-1H-benzo[E][1,4]diazepin-2(3H)-oneHCID 2729681—
Reactant(2R,3S)N1-[1,3-dihydro-1-methyl-2-oxo-5-phenyl-2H-1,4-benzodiazepin-3-yl]-2-(2-methylpropyl)-3-allyl-N4-[3,5-difluorobenzyl]-butanediamideHCID 9916426—
Reactant(2-Iodoethyl)cyclopentaneHCID 22135275—
Product(2R,3S) N1-[(3S)-1,3-dihydro-1-methyl-2-oxo-5-phenyl-2H-1,4-benzodiazepin-3-yl]-2-(2-methylpropyl)-3-(cyclopentylethyl)-butanediamideHCID 9936373—

Reaction Steps

A procedure analogous to the preparation of Example 5 was followed. The appropriate succinate ester was prepared using the method disclosed in PCT publication WO 98/51665, using 2-(cyclopentyl)ethyl iodide for R3—X in place of allyl bromide (see Scheme 2). The anti-succinate half-ester was coupled to (S)-isomer benzodiazepine (30) using the procedures of Step 1. After Steps 2 and 3, the title compound was isolated. MS (M+H)+=475; (M+Na)+=497.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07456172B2
Source datasetuspto-grants-2008_11
ORD IDord-92d46e15150544a59dcd411a3ac40818
Source noteuspto-grants-2008_11