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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1644256Generated: October 31, 2026

Hydrochloric Acid → HCID 131729462, compound

https://huagongshe.com/reaction/1644256

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 66772595HCID 66772595—
ReactantHCID 86636561HCID 86636561—
ProductHCID 131729462HCID 131729462—

Reaction Steps

Following general procedure GP-H, (R)-1-methyl-3-[(quinuclidin-3-ylamino)methyl)-1H-indazole-4-carboxylate was converted to (S)-2-methyl-7-(quinuclidin-3-yl]-7,8-dihydropyrazolo[3,4,5-de]isoquinolin-6(2H)-one, which was immediately treated with hydrochloric acid following general procedure GP-I to give (R)-2-methyl-7-(quinuclidin-3-yl)-7,8-dihydropyrazolo[3,4,5-de]isoquinolin-6(2H)-one, hydrochloride salt: 1H NMR (500 MHz, DMSO-d6) δ 10.20 (s, 1H), 7.76 (d, J=8.0 Hz, 1H), 7.53 (t, J=7.0 Hz, 1H), 7.40 (d, J=6.5 Hz, 1H), 5.27 (d, J=17.0 Hz, 1H), 5.15 (d, J=16.5 Hz, 1H), 4.77 (t, J=9.0 Hz, 1H), 4.08 (s, 3H), 3.72-3.69 (m, 1H), 3.58-3.48 (m, 2H), 3.40-3.28 (m, 2H), 3.22-3.18 (m, 1H), 2.46-2.42 (m, 1H), 2.28-2.14 (m, 1H), 2.08-1.84 (m, 3H); MS (ESI+) m/z 297 (M+H); HPLC 98.7% (AUC), tR 13.39 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08124600B2
Source datasetuspto-grants-2012_02
ORD IDord-b6495c9ca5fe40819a6bca502b8e6def
Source noteuspto-grants-2012_02