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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1160129Generated: October 25, 2026

Ethylamine → N'-[4-(1,2,2,6,6-Pentamethyl-piperidin-4-ylcarbamoyl)-phenyl]-hydrazinecarboxylic acid tert-butyl ester

https://huagongshe.com/reaction/1160129

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant4-Amino-1,2,2,6,6-pentamethylpiperidineHCID 693792—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Reactant4-(2-(tert-Butoxycarbonyl)hydrazinyl)benzoic acidHCID 2755984—
SolventDimethylacetamideHCID 31374—
ProductN'-[4-(1,2,2,6,6-Pentamethyl-piperidin-4-ylcarbamoyl)-phenyl]-hydrazinecarboxylic acid tert-butyl esterHCID 59515583—

Reaction Steps

To a solution of 4-(N′-tert-Butoxycarbonyl-hydrazino)-benzoic acid (4.452 g) in DMA (30 ml) was added disopropyl ethyl amine (6.16 ml) and HBTU (6.69 g) with stirring at room temp. 4-Amino-1,2,2,6,6-pentamethylpiperidine (3 g) was then added to the stirred solution. Stirring continued at room temp for 4 hrs.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07816361B2
Source datasetuspto-grants-2010_10
ORD IDord-bea97ea435f440fe82eb8e6b2adb9c14
Source noteuspto-grants-2010_10