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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1369602Generated: November 3, 2026

Hydrochloric Acid → [3S,4aR,6S,8aR]-ethyl-6-((4-ethoxycarbonyl-1H-imidazol-1-yl)methyl)-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-3-carboxylate dihydrochloride

https://huagongshe.com/reaction/1369602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant[3S,4aR,6S,8aR]-Ethyl-6-((4-Ethoxycarbonyl-1H-Imidazol-1-yl)Methyl)-1,2,3,4,4a,5,6,7,8,8a-Decahydroisoquinoline-3-CarboxylateHCID 9799112—
SolventDiethyl EtherHCID 3283—
SolventEthyl AcetateHCID 8857—
Product[3S,4aR,6S,8aR]-ethyl-6-((4-ethoxycarbonyl-1H-imidazol-1-yl)methyl)-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-3-carboxylate dihydrochlorideHCID 20594298—

Reaction Steps

[3S,4aR,6S,8aR]-Ethyl-6-((4-ethoxycarbonyl-1H-imidazol-1-yl)methyl)-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-3-carboxylate was dissolved in ethyl acetate and excess 1M HCl in diethyl ether was added. The resulting white precipitate was filtered and vacuum dried at 50° C. for 18 hr to give 0.62 g of [3S,4aR,6S,8aR]-ethyl-6-((4-ethoxycarbonyl-1H-imidazol-1-yl)methyl)-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-3-carboxylate dihydrochloride: MS m/z: 364 (m++1); Analysis calculated for C19H29N3O4.2HCl H2O: C, 50.20; H, 6.89; N, 9.25. Found: C, 50.51; H, 6.86; N, 9.25.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06579886B2
Source datasetuspto-grants-2003_06
ORD IDord-0c0876a639a74dbebc00b11d97aa093c
Source noteuspto-grants-2003_06