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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 273490Generated: October 25, 2026

Phenylhydrazine → 5,11-Dihydroindolo[3,2-b]carbazole

https://huagongshe.com/reaction/273490

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
Reactant1,4-CyclohexanedioneHCID 12511—
Product5,11-Dihydroindolo[3,2-b]carbazoleHCID 95838—

Reaction Steps

5,11-Dihydridoindolo[3,2-b]carbazole was synthesized by double Fischer indolization starting from phenylhydrazine and 1,4-cyclohexanedione according to the method described in B. Robinson, J. Chem. Soc. 1963, 3097-3099.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07456424B2
Source datasetuspto-grants-2008_11
ORD IDord-353d25c53cd0427cb48b3115afae56ce
Source noteuspto-grants-2008_11