Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1246989Generated: October 29, 2026

4-Fluorophenylhydrazine hydrochloride → 8-[2-(4-fluorophenyl)hydrazinyl]pyrrolo[2,3-g][1,3]benzothiazol-7-one

https://huagongshe.com/reaction/1246989

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluorophenylhydrazine hydrochlorideHCID 69981—
Reactant6H-thiazolo[5,4-e]indole-7,8-dioneHCID 11745756—
Product8-[2-(4-fluorophenyl)hydrazinyl]pyrrolo[2,3-g][1,3]benzothiazol-7-oneHCID 17851700849%

Reaction Steps

Prepared according to Example 96 with 6H-1-thia-3,6-diaza-as-indacen-7,8-dione (Procedure A) and 4-fluorophenylhydrazine hydrochloride in 49% yield. 1H NMR (DMSO-d6): δ 7.11 (d, J=8.6 Hz, 1H); 7.25 (t, J=8.8 Hz, 2H); 7.52 (dd, J=4.8, 8.8 Hz, 2H); 7.94 (d, J=8.6 Hz, 1H); 9.27 (s, 1H); 11.2 (s, 1H); 12.6 (s, 1H). ES-MS m/z 311 (M−1)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07129253B2
Source datasetuspto-grants-2006_10
ORD IDord-9113c1a294e44510a622885aea6685e7
Source noteuspto-grants-2006_10