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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 34170Generated: October 29, 2026

Trifluoroacetic acid → 6-chloro-4-[1-(5-chloro-1H-benzimidazol-2-yl)-3-(N-piperidin-4-yl-aminocarbonyl)-propyl-amino]-7-(pyrrolidin-1-yl-carbonyl)-quinazoline

https://huagongshe.com/reaction/34170

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant4-Amino-1-Boc-piperidineHCID 1268291—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant6-chloro-4-[1-(1-tert.-butyloxycarbonyl-5-chloro-1H-benzimidazol-2-yl)-3-hydroxycarbonyl-propyl-amino]-7-(pyrrolidin-1-yl-carbonyl)-quinazolineHCID 68938489—
SolventAcetonitrile tetrahydrofuranHCID 22177404—
Product6-chloro-4-[1-(5-chloro-1H-benzimidazol-2-yl)-3-(N-piperidin-4-yl-aminocarbonyl)-propyl-amino]-7-(pyrrolidin-1-yl-carbonyl)-quinazolineHCID 178520667—

Reaction Steps

Prepared analogously to Example 61 from 6-chloro-4-[1-(1-tert.-butyloxycarbonyl-5-chloro-1H-benzimidazol-2-yl)-3-hydroxycarbonyl-propyl-amino]-7-(pyrrolidin-1-yl-carbonyl)-quinazoline and 4-amino-1-tert.-butyloxycarbonyl-piperidine with TBTU in acetonitrile/tetrahydrofuran and subsequent reaction with trifluoroacetic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07429597B2
Source datasetuspto-grants-2008_09
ORD IDord-6b5f39d0ce734ea9b73efa8d10d76ba7
Source noteuspto-grants-2008_09