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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1401391Generated: October 25, 2026

4-Aminopyridine → (2z,4e,6e,8e)-3,7-Dimethyl-n-(pyridin-4-yl)-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenamide

https://huagongshe.com/reaction/1401391

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-AminopyridineHCID 1727—
ReactantDicyclohexylcarbodiimideHCID 10868—
ReactantRetinoic AcidHCID 444795—
Product(2z,4e,6e,8e)-3,7-Dimethyl-n-(pyridin-4-yl)-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenamideHCID 5953941986.6%

Reaction Steps

Reaction of the reduced retinoic acid (0.83 g, 2.7 mmol) with 4-aminopyridine (0.26 g, 2.7 mmol) was conducted according to the general amide coupling procedure using DCC to obtain the product as a clear yellow oil (0.88 g, 85%). EIMS m/z: 387 ([M+H]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08907109B2
Source datasetuspto-grants-2014_12
ORD IDord-5184d19aa060485c983218e14ea8d029
Source noteuspto-grants-2014_12