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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2248039Generated: October 29, 2026

4-Nitrophenol → HCID 131716970, compound

https://huagongshe.com/reaction/2248039

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-NitrophenolHCID 980—
ReactantDicyclohexylcarbodiimideHCID 10868—
ReactantHCID 9813836HCID 9813836—
SolventTetrahydrofuranHCID 8028—
ProductHCID 131716970HCID 131716970—

Reaction Steps

From 3.6 g of MA-Ala-Val-Ala-OH (0.012 mol), 1.5 g (0.012 mol) of p-nitrophenol, and 2.5 g (0.0125 mol) of dicyclohexylcarbodiimide in 50 ml of tetrahydrofuran was prepared 2.0 g (40% yield) of MA-Ala-Val-Ala ONp; m.p. 174°-6° C. Recrystalized from ethylacetate/hexane. Molar extinction coefficient, ε274 nm =9300 (DMSO).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05037883
Source datasetuspto-grants-1991_08
ORD IDord-cf1cfafebe6542dcaedfbe061aeb9b19
Source noteuspto-grants-1991_08