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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1195814Generated: November 3, 2026

Phosphorus oxychloride → HCID 14857385, compound

https://huagongshe.com/reaction/1195814

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 14857381HCID 14857381—
Solvent1,2-DichloroethaneHCID 11—
ProductHCID 14857385HCID 14857385—

Reaction Steps

A mixture of 2.98 g of 2,2-dimethyl-4-(1,2-dihydro-2-oxo-3-pyridyl)-6-carbamoylchroman,2 ml of POCl3 and 200 ml of 1,2-dichloroethane is boiled for 45 min. Cooling and customary working up gives 2,2-dimethyl-4-(1,2-dihydro-2-oxo-3-pyridyl)-6-cyanochroman, m.p. 174°-175.5°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05112839
Source datasetuspto-grants-1992_05
ORD IDord-e8ef9b70feeb4a3aba38700d4231d5f8
Source noteuspto-grants-1992_05