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Photochemistry of Tetraalkyl‐2 H ‐thietes
Author(s) -
Mergenhagen Thomas,
Margaretha Paul
Publication year - 1997
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19970800215
Subject(s) - chemistry , alkyl , photostationary state , irradiation , medicinal chemistry , photochemistry , stereochemistry , organic chemistry , catalysis , photoisomerization , physics , isomerization , nuclear physics
The 3‐alkyl‐2,2‐dimethyl‐4‐( tert ‐butyl)‐2 H ‐thietes 9a–c were obtained in several steps from the corresponding, newly synthesized, 3‐alkyl‐2‐( tert ‐butyl)thiophenes 5a–c. Irradiation (254nm) of these tetraalkylated four membered S‐heterocycles leads to a photostationary equilibrium with enethiones 10a–c (thiete/enethione 3:1).
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