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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 904045Generated: October 29, 2026

Hydrochloric Acid → HCID 131711927, compound

https://huagongshe.com/reaction/904045

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantGlycineHCID 750—
ReactantL-AlanineHCID 5950—
ReactantL-Aspartic AcidHCID 5960—
ReactantL-LysineHCID 5962—
ReactantL-LeucineHCID 6106—
ReactantTrifluoroacetic acidHCID 6422—
ReactantL-Glutamic AcidHCID 33032—
ReactantHCID 131711928HCID 131711928—
SolventWaterHCID 962—
ProductHCID 131711927HCID 131711927—

Reaction Steps

450 mg of pGlu-Ala-Lys(Boc)-Ser-Gln-Gly-(D)-Leu-Ser-Asn-OBut is treated with 5 ml of trifluoroacetic acid at room temperature for 40 minutes and the reaction product is purified as in Example 1-(VIII). Yield 260 mg (58%); [α]D23 -40.0° (c=0.31, H2O); Rf4 (Avicel)=0.23, amino acid analysis (hydrolyzed with HCl); Lys, 0.95(1); Asp, 0.92(1); Ser, 1.79(2); Glu, 2.05(2); Gly, 1.01(1); Ala, 1.05(1); Leu, 1.05(1); average recovery 81%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04229438
Source datasetuspto-grants-1980_10
ORD IDord-88d09238ae384febab6b63b24a820783
Source noteuspto-grants-1980_10