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Synthesis of 4-Aryl-5-hydroxy- and 5-Aryl-4-hydroxypyridazin-3(2H)-ones and Their Use in the Preparation of 4,5-Diarylpyridazin-3(2H)-ones and Hitherto Unknown Isochromeno[3,4-d]pyridazinediones.

✍ Scribed by Bert U. W. Maes; Katrien Monsieurs; Kristof T. J. Loones; Guy L. F. Lemiere; Roger Dommisse; Peter Matyus; Zsuzsanna Riedl; Gyoergy Hajos


Publisher
John Wiley and Sons
Year
2003
Weight
223 KB
Volume
34
Category
Article
ISSN
0931-7597

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Mucochloric Acid: A Useful Synthon for t
✍ Fabio Bellina; Chiara Anselmi; Francesca Martina; Renzo Rossi πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 English βš– 224 KB πŸ‘ 1 views

## Abstract 3,4‐Dichloro‐2(5__H__)‐furanone, which has been prepared efficiently from mucochloric acid, has been transformed selectively into 4‐aryl‐3‐chloro‐2(5__H__)‐furanones either by Suzuki‐ or Stille‐type reactions. These monochloro derivatives have been used as precursors either to (__Z__)‐4