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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2291921Generated: October 29, 2026

Hydroxyamine hydrochloride → HCID 86742103, compound

https://huagongshe.com/reaction/2291921

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxyamine hydrochlorideHCID 443297—
ReactantHCID 13605014HCID 13605014—
SolventPyridineHCID 1049—
ProductHCID 86742103HCID 86742103106.9%

Reaction Steps

2 g of the product of Step A, 725 mg of hydroxylamine hydrochloride and 11 ml of anhydrous pyridine were stirred for 3 hours at ambient temperature and the pyridine was then concentrated under reduced pressure. The residue was taken up in ethyl acetate and the solution was washed with water, dried and concentrated to obtain 2.3 g of methyl 1-(2-propynyl)-2-oximinomethyl-3-pyrrole-carboxylate melting at 88°-90° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04798901
Source datasetuspto-grants-1989_01
ORD IDord-b1902dafc1b943f88f9880f07cc67ce6
Source noteuspto-grants-1989_01