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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1426153Generated: November 2, 2026

Hydrochloric Acid → HCID 86639692, compound

https://huagongshe.com/reaction/1426153

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantCysteamine HydrochlorideHCID 9082—
ReactantHCID 16660507HCID 16660507—
ProductHCID 86639692HCID 8663969295%

Reaction Steps

A 250 mL round-bottomed flask was charged with 3-(benzyloxy)-N-(4-methylthiazol-2-yl)-5-(pyridin-2-ylmethylthio)pyridin-2-amine (prepared in Example 46, 6.6 g, 16 mmol), 2-aminoethanethiol hydrochloride (2.7 g, 24 mmol), and 6M HCl (125 mL). The reaction was heated to reflux for 3 hours. The reaction was concentrated on rotary evaporator to about 40 mL and the resultant solids were removed by filtration. The filtrate was further concentrated and the resultant solids were removed by filtration. This procedure was repeated. The solids were combined to afford the title compound (4.6 g, 73% yield) as a white solid. 1H NMR (DMSO-d6) δ 11.63 (bs, 1H), 8.75 (m, 1H), 8.32 (td, 1H), 7.82 (d, 1H), 7.77 (m, 2H), 7.35 (d, 1H), 6.92 (d, 1H), 4.50 (s, 2H), 2.34 (s, 3H). Mass spectrum (apci) m/z=331.1 (M+H-2HCl).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08933077B2
Source datasetuspto-grants-2015_01
ORD IDord-4351b451f67e4da0b7d293938320f1c8
Source noteuspto-grants-2015_01