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On the Reactions of Furan‐2,3‐diones with Oxindole (=1,3‐Dihydro‐2 H ‐indol‐2‐one) and Lawesson Reagent. Synthesis of New 1,3‐Dihydro‐2 H ‐indol‐2‐ones, Bis‐furanones, and Bis‐pyrrolones
Author(s) -
Korkusuz Elif,
Yıldırım İsmail
Publication year - 2011
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.201000320
Subject(s) - chemistry , oxindole , reagent , furan , lactone , bicyclic molecule , combinatorial chemistry , organic chemistry , stereochemistry , catalysis
Lactone analogues of 3‐substituted oxindoles (=1,3‐dihydro‐2 H ‐indol‐2‐ones) and nonbenzoid oxa‐analogous isoindigoid or nonbenzoid isoindigoid dyes were prepared by the reactions of furan‐2,3‐diones with oxindole and Lawesson reagent ( Schemes 1 and 3 ), respectively. So, new derivatives of 2‐oxobutanoic acid, bis‐furanone, and bis‐pyrrolone, which are potentially biologically active compounds, were synthesized for the first time.