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Photochemistry of 5,5‐Dimethyl‐2(5 H )‐thiophenone
Author(s) -
Kiesewetter René,
Margaretha Paul
Publication year - 1985
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.19850680830
Subject(s) - chemistry , irradiation , medicinal chemistry , photochemistry , organic chemistry , nuclear physics , physics
On irradiation (λ > 305 nm) in alcohols, 5,5‐dimethyl‐2(5 H )‐thiophenone ( 1b ) is converted to ( E )‐4‐mercapto‐4‐methyl‐2‐pentenoates 8 . These esters undergo a consecutive light‐induced reaction affording thiolanes when irradiated in the presence of alkenes, and either 2,3‐dihydrothiophenes or 3‐thiabicyclo[3.1.0]hexanes with alkynes.
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