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Novel cycloadditions of isoquinoline Reissert salts

  • Bridge, A.
  • Hursthouse, M.
  • Lehmann, C.
  • Lythgoe, D.
  • Newton, C.
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Publication date
August 1993
Icon DOI
10.1039/p19930001839
Publisher
Royal Society of Chemistry (RSC)

Abstract

Isoquinoline Reissert salts 5 partake in novel cycloadditions with acetylenic aldehydes 11 giving novel oxazoles 14 which have been characterised by X-ray crystallography. In contrast, closely related phthalazine Reissert salts 6 and phenanthridine Reissert salts 15 react by an alternative pathway giving pyrrolo[2,1-a]phthalazines 12 and pyrrolo[1,2-f]phenanthridines 16 respectively

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