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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1745144Generated: November 1, 2026

3-Amino-9-ethylcarbazole → (2S,4EZ)-4(ethoxyimino)-N-(9-ethyl-9H-carbazol-3-yl)-1-[(2-oxo-6-pentyl-2H-pyran-3-yl)carbonyl]-2-pyrrolidinecarboxamide

https://huagongshe.com/reaction/1745144

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Amino-9-ethylcarbazoleHCID 8588—
Reactant2-oxo-6-pentyl-2H-pyran-3-carbonyl chlorideHCID 22223512—
Reactant(2S,4EZ)-1-(tertbutoxycarbonyl)-4-(ethoxyirnino)-2-pyrrolidinecarboxylic acidHCID 58714540—
Product(2S,4EZ)-4(ethoxyimino)-N-(9-ethyl-9H-carbazol-3-yl)-1-[(2-oxo-6-pentyl-2H-pyran-3-yl)carbonyl]-2-pyrrolidinecarboxamideHCID 131725492—

Reaction Steps

Following the general method as outlined in Example 22, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(ethoxyimino)-2-pyrrolidinecarboxylic acid, 2-oxo-6-pentyl-2H-pyran-3-carbonyl chloride, and 9-ethyl-9H-carbazol-3-amine the title compound was obtained in 75% purity by LC/MS. MS(ESI+): m/z=557.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07018988B2
Source datasetuspto-grants-2006_03
ORD IDord-219400dc0a674858853e7f4e56778306
Source noteuspto-grants-2006_03