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IJC-B Vol.46B(02) [February 2007] >

Title: Isothiazolo-fused quinoline analogues: Synthesis of isothiazolo [5, 4-b] quinolines and their oxidation products, 3[2H]-one-1, 1-dioxideisothiazolo [5, 4-b] quinolines from 2-chloro-3-formylquinolines
Authors: Srivastava, A
Chandra, Atish
Singh, R M
Keywords: Cyclisation
Sodium sulfide
Hydrogen peroxide
Issue Date: Feb-2007
Publisher: CSIR
IPC CodeInt.Cl.⁸C07D
Abstract: A convenient synthesis of isothiazolo[5,4-b]quinolines 2 is achieved in two steps from the reaction of 2-chloro-3-formylquinolines 1 with sodium sulfide and hydroxylamine sequences followed by cyclisation with acetic anhydride. The subsequent oxidation of 2 with H₂O₂ in acetic acid yields 3(2H)-one-1, 1-dioxideisothiazolo [5, 4-b] quinolines 3.
Page(s): 303-307
ISSN: 0367-4699
Source:IJC-B Vol.46B(02) [February 2007]

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