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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1195816Generated: November 4, 2026

Phosphoric Acid → HCID 54501164, compound

https://huagongshe.com/reaction/1195816

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphoric AcidHCID 1004—
ReactantHCID 14857308HCID 14857308—
ProductHCID 54501164HCID 54501164—

Reaction Steps

A mixture of 1 g of 2,2-dimethyl-4-(1-benzyl-1,2-dihydro-2-oxo-3-pyridyl)-6-cyano-3-chromanol and 10 ml of 85 percent phosphoric acid is warmed to 100° for 2 hours. After cooling and working up in the customary manner, there is obtained 2,2-dimethyl-4- (1-benzyl-1,2-dihydro-2-oxo-3-pyridyl)-6-carbamoyl -3-chromanol, m.p. 230°-235°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05112839
Source datasetuspto-grants-1992_05
ORD IDord-d3ead71a390b434f989a22c21abfc819
Source noteuspto-grants-1992_05