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Chemoselective and Regiospecific Synthesis of Iminospiro‐ γ ‐lactones from Maleic Anhydride or Citraconic Anhydride and Alkyl Isocyanides with Dialkyl Acetylenedicarboxylates
Author(s) -
Bayat Mohammad,
Imanieh Hossien,
Abbasi Hossien
Publication year - 2010
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.200900292
Subject(s) - chemistry , maleic anhydride , alkyl , furan , organic chemistry , isocyanide , medicinal chemistry , polymer chemistry , polymer , copolymer
Isocyanides, dialkyl acetylenedicarboxylates (=dialkyl but‐2‐ynedioates), and anhydrides such as maleic anhydride (=furan‐2,3‐dione) or citraconic anhydride (=3‐methylfuran‐2,3‐dione) react in one pot to afford novel iminospiro‐ γ ‐lactones in fairly good yields at room temperature ( Schemes 1 and 3 ).
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