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Novel synthesis of new 1,2,4-trithioles by reductive coupling of benzoyldithioacetic acid derivatives mediated by Sml2

✍ Scribed by O. Baldovino-Pantaleón; R. Gutiérrez-Pérez; R. A. Toscano; M. Moya-Cabrera; A. Cabrera; Y. Reyes-Ortega; C. Alvarez-Toledano

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
123 KB
Volume
11
Category
Article
ISSN
1042-7163

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✦ Synopsis

1,2,4-trithioles 2a-e are readily obtained in good yields by dimerization of benzoyldithioacetic acid derivatives using samarium diiodide as a promotor under very mild conditions. The structures of compounds 2a-e were determined by IR, 1 H, and 13 C NMR spectroscopies using heteronuclear multiple bond correlation, heteronuclear multiple quantum correlation, and nuclear Overhauser enhancement spectroscopy experiments, mass spectrometry, and, in the case of 2a, the structure was confirmed by singlecrystal X-ray diffraction studies.

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