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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 491179Generated: October 30, 2026

1-(Oxan-4-yl)piperazine → (R)-1-(3,5-dibromo-4-hydroxy-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

https://huagongshe.com/reaction/491179

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(Oxan-4-yl)piperazineHCID 21942315—
Reactant(R)-1-carboxy-2-(3,5-dibromo-4-hydroxy-phenyl)-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylateHCID 67301880—
Product(R)-1-(3,5-dibromo-4-hydroxy-benzyl)-2-oxo-2-[4-(tetrahydropyran-4-yl)-piperazin-1-yl]-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylateHCID 11857849—

Reaction Steps

Prepared analogously to Example 81 from 100 mg (0.16 mmol) (R)-1-carboxy-2-(3,5-dibromo-4-hydroxy-phenyl)-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate and 30.6 mg (0.18 mmol) 1-(tetrahydropyran-4-yl)-piperazine, the reaction mixture being stirred overnight at RT.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07528129B2
Source datasetuspto-grants-2009_05
ORD IDord-0d364755150e4a48b5765b12ab27c8fb
Source noteuspto-grants-2009_05