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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 485677Generated: October 30, 2026

Ethanol → HCID 18599045, compound

https://huagongshe.com/reaction/485677

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantAmmonium HydroxideHCID 14923—
ReactantThioureaHCID 2723790—
ReactantHCID 131714313HCID 131714313—
SolventChloroform methanolHCID 21584188—
ProductHCID 18599045HCID 18599045—

Reaction Steps

About 10.8 millimole of the above hydrobromide salt were dissolved in 30 ml. of anhydrous ethanol to which had been added 1.03 g. of thiourea. The reaction was carried out and the product isolated according to the procedure of Example 1. Trans-(±)-2-amino-5-methyl-4,4a,5,6,7,8,8a,9-octahydrothiazolo[4,5-g]quinoline, dihydrobromide salt thus prepared was twice crystallized from methanol to yield 0.61 g. of a colorless crystalline solid melting above 235° C. TLC using 4:1 chloroform-methanol with a trace of aqueous ammonium hydroxide as the solvent system gave a single spot; Rf =0.30.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04537893
Source datasetuspto-grants-1985_08
ORD IDord-55943e36592c4869a799c4a9c8e4ccc8
Source noteuspto-grants-1985_08