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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1349100Generated: October 26, 2026

3-Amino-9-ethylcarbazole → (2S,4EZ)-1-[(benzoylamino)carbonyl]-4-(cyanomethylene)-N-(9-ethyl-9H-carbazol-3-yl)-2-pyrrolidinecarboxamide

https://huagongshe.com/reaction/1349100

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Amino-9-ethylcarbazoleHCID 8588—
ReactantBenzoyl isocyanateHCID 78210—
Reactant(2S,4EZ)-1-(tertbutoxycarbonyl)-4-(cyanomethylene)-2-pyrrolidinecarboxylic acidHCID 69250314—
Product(2S,4EZ)-1-[(benzoylamino)carbonyl]-4-(cyanomethylene)-N-(9-ethyl-9H-carbazol-3-yl)-2-pyrrolidinecarboxamideHCID 69250222—

Reaction Steps

Following the general method as outlined in Example 22, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(cyanomethylene)-2-pyrrolidinecarboxylic acid, benzoyl isocyanate, and 9-ethyl-9H-carbazol-3-amine the title compound was obtained in 74% purity by LC/MS. MS(ESI+): m/z=492.4.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211601B2
Source datasetuspto-grants-2007_05
ORD IDord-c1be667c2e2d47e79569dd2685b4b756
Source noteuspto-grants-2007_05