Photochemistry of the nitrogen-thiocarbonyl systems - 32. Photochemical transformation of trithiobarbiturate into thiohydantoin and imidazolino-thiophene derivatives

Authors
Takechi, H Takahashi, H Machida, M
Citation
H. Takechi et al., Photochemistry of the nitrogen-thiocarbonyl systems - 32. Photochemical transformation of trithiobarbiturate into thiohydantoin and imidazolino-thiophene derivatives, HETEROCYCLE, 50(1), 1999, pp. 159-168
Citations number
15
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
HETEROCYCLES
ISSN journal
03855414 → ACNP
Volume
50
Issue
1
Year of publication
1999
Pages
159 - 168
Database
ISI
SICI code
0385-5414(19990101)50:1<159:POTNS->2.0.ZU;2-9
Abstract
Upon irradiation of trithiobarbiturate (1), ring contraction reaction occur red to give thiohydantoin (2 or 3) and imidazolinothiophene (4) derivatives . Further, on treating with iodine, the thiohydantoins (2 and 3) undergo ri ng closure, giving imidazolinothiophene derivatives (4).