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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 458673Generated: October 29, 2026

{2-[4-(4-Aminobutyl)phenoxy]ethyl}carbamic acid tert-butyl ester → 4-[4-(2-Aminoethyloxy) phenyl)butylamidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochloride

https://huagongshe.com/reaction/458673

Reaction equation

Participants

RoleNameHCIDCharge
Reactant{2-[4-(4-Aminobutyl)phenoxy]ethyl}carbamic acid tert-butyl esterHCID 22566154—
ReactantHCID 178449224HCID 178449224—
Product4-[4-(2-Aminoethyloxy) phenyl)butylamidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochlorideHCID 178479339—

Reaction Steps

Using general procedure Z, 4-[4-(2{t-butoxycarbonylamino}ethyloxy)phenyl]butyl amine was converted into 4-[4-(2-{t-butoxycarbonylamino}ethyloxy)phenyl)]butylamidino-3,5-diamino-6-chloropyrazinecarboxamide, m.p. 118° C., APCI MS M/Z=521[C23H33ClN8O4+H]+, which was hydrolyzed and acidified with HCL to give 4-[4-(2-aminoethyloxy)phenyl)butylamidino-3,5-diamino-6-chloropyrazinecarboxamide hydrochloride, m.p.>178° C. (dec), M/Z=421 [C18H25ClN8O2].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07192960B2
Source datasetuspto-grants-2007_03
ORD IDord-ebc06a5aeffb4e3cadcfb14d28aaefe2
Source noteuspto-grants-2007_03