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An Improved Technique for the Hydroxylation of 4,5-Diphenyl-2-imidazolones

✍ Scribed by Greenberg, H.; Es, T. VAN

Book ID
127075950
Publisher
American Chemical Society
Year
1965
Tongue
English
Weight
300 KB
Volume
30
Category
Article
ISSN
0022-3263

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Photolytic closure of 4,5-diphenyl-oxazo
Photolytic closure of 4,5-diphenyl-oxazol-2-ones to phenanthro[9,10-d]oxazol-2-ones and an improved synthesis of benzoins
✍ Gholamhosein H. Hakimelahi; Charles B. Boyce; Hamid S. Kasmai πŸ“‚ Article πŸ“… 1977 πŸ› John Wiley and Sons 🌐 German βš– 357 KB

## Abstract The synthesis of phenathrenes substituted by nitrogen and oxygen atoms in position 9 and 10 by photolysis of 4,5‐diphenyl‐oxazol‐2‐ones (cf. __Scheme 4__) is described. Moreover an improved general procedure for the synthesis of benzoins in aprotic solvent (tetra‐__t__‐butylammonium cya