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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1387604Generated: October 25, 2026

Amlodipine → Nicardipine

https://huagongshe.com/reaction/1387604

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmlodipineHCID 2162—
ReactantFelodipineHCID 3333—
ReactantIsradipineHCID 3784—
ReactantNilvadipineHCID 4494—
ReactantNimodipineHCID 4497—
ReactantNisoldipineHCID 4499—
ReactantNitrendipineHCID 4507—
ReactantFlordipineHCID 53699—
ReactantNiludipineHCID 89767—
ProductNicardipineHCID 4474—

Reaction Steps

Nitrendipine (1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-phyridindicarboxylic acid ethyl methyl ester); Nisoldipine (1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid methyl 2-methylpropyl ester); Felodipine (4-(2,3-dichlorophenyl)-1,4dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid ethyl methyl ester); Nimodipine (1,4-dihydro-2,6dimethyl-4-(3-nitrophenyl-3,5-pyridinedicarboxylic acid 2-methoxyethyl 1-methylethyl ester); Niludipine; Amlodipine (2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic acid 3-ethyl 5-methyl ester); Flordipine; Ryosidine; FR 7534; Nilvadipine (FR 34235, 2-cyano-1,4-dihydro-6-methyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 3-methyl 5-(1-methylethyl) ester); PY 108-068; and Isradipine (PN 200-110, 4-(4-benxofurazanyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid methyl 1-methyl-ethyl ester).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06268377B1
Source datasetuspto-grants-2001_07
ORD IDord-38bb1e0ddabe4432bff2c94bdb1b4d5e
Source noteuspto-grants-2001_07