PDF herunterladen
Synthesis 1992; 1992(8): 778-782
DOI: 10.1055/s-1992-26225
paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

Intermolecular Photoreaction of Thiohomophthalimides with Olefins: Thietane Formation Through [2 + 2] Cycloaddition

Haruko Takechi* , Minoru Machida, Yuichi Kanaoka
  • *Faculty of Pharmaceutical Sciences, Higashi-Nippon-Gakuen University, Ishikari-Tobetu, Hokkaido 061-02, Japan
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
17. September 2002 (online)

  als PDF herunterladen  Lizenzen und Reprints Alle Artikel dieser Rubrik

Upon irradiation of thiohomophthalimides (1,2,3,4-tetrahydro-2, 4,4-trimethyl-1,3-dithioxo[3-oxo-l-thioxo or 1-oxo-3-thioxo]iso-quinolines,1-3) in the presence of olefins 4,9, regioselective [2 + 2] cycloaddition occurred to give oxo- or thioxospiro[isoquinoline-1,2′ (or 3,2′)-thietane] derivatives 5, 6, 8, 10-12 and related compounds 1-alkylidene-1,2, 3,4-tetrahydro-2,4,4-trimethyl-3-thioxoisoquinolines 7a, c.