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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 5653Generated: October 26, 2026

Triphenylphosphine → (+)-Tertbutyl 2,6-dimethyl-4-phenyl-5-carboxy-1,4-dihydropyridine-3-carboxylate

https://huagongshe.com/reaction/5653

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphenylphosphineHCID 11776—
ReactantAmmonium formateHCID 2723923—
Reactant(+) Tertbutyl,allyl 2,6-dimethyl-4phenyl-1,4-dihydropyridine-3,5-dicarboxylateHCID 86747214—
CatalystPalladiumHCID 23938—
Solvent1,4-DioxaneHCID 31275—
Product(+)-Tertbutyl 2,6-dimethyl-4-phenyl-5-carboxy-1,4-dihydropyridine-3-carboxylateHCID 19796437—

Reaction Steps

A sample of (+) tertbutyl,allyl 2,6-dimethyl-4phenyl-1,4-dihydropyridine-3,5-dicarboxylate is treated in dioxane with 10% Pd on C, ammonium formate and triphenylphospine to give (+)-tertbutyl 2,6-dimethyl-4-phenyl-5-carboxy-1,4-dihydropyridine-3-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05245039
Source datasetuspto-grants-1993_09
ORD IDord-6cc3dc8dfa924976a59acdde99fd9910
Source noteuspto-grants-1993_09