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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 617183Generated: October 29, 2026

1,4-Dioxane hydrochloride → HCID 21851544, compound

https://huagongshe.com/reaction/617183

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-Dioxane hydrochlorideHCID 20443148—
ReactantHCID 21851525HCID 21851525—
SolventTetrahydrofuranHCID 8028—
ProductHCID 21851544HCID 21851544104.9%

Reaction Steps

To a solution of 2-amino-4-[1-(7-t-butoxycarbonylaminoheptanoyl)-4-piperidinyl]quinazoline (160 mg) obtained in Example 27 in tetrahydrofuran (1 ml) was added 4N hydrogen chloride-dioxane solution (1 ml). The reaction mixture was stirred for about 1 hour at room temperature and was evaporated. The residue was triturated with diethyl ether to give the title compound (131 mg) as hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05948786
Source datasetuspto-grants-1999_09
ORD IDord-8fe8fad18c1d44bfae0e760a0915b7c6
Source noteuspto-grants-1999_09