Photochemistry and Photophysics of Halogen-Substituted Dibenzothiophene Oxides1

M Nag, WS Jenks - The Journal of Organic Chemistry, 2004 - ACS Publications
Dibenzothiophene-5-oxide (DBTO) cleanly produces dibenzothiophene (DBT) on direct
photolysis, but with very low quantum yield. A proposed mechanism involves scission of the …

Photochemistry of Substituted Dibenzothiophene Oxides: The Effect of Trapping Groups1

M Nag, WS Jenks - The Journal of Organic Chemistry, 2005 - ACS Publications
Photolyses of dibenzothiophene sulfoxides (DBTOs) with intramolecular trapping
functionalities attached in the 4-position show higher quantum yields of deoxygenation …

Photodeoxygenation of dinaphthothiophene, benzophenanthrothiophene, and benzonaphthothiophene S-oxides

X Zheng, SM Baumann, SM Chintala… - Photochemical & …, 2016 - Springer
Photoinduced deoxygenation of dibenzothiophene S-oxide (DBTO) has been suggested to
release atomic oxygen [O (3 P)]. To expand the conditions and applications where O (3 P) …

Photodeoxygenation of phenanthro[4,5-bcd]thiophene S-oxide, triphenyleno[1,12-bcd]thiophene S-oxide and perylo[1,12-bcd]thiophene S-oxide

SM Chintala, JT Petroff II, A Barnes… - Journal of Sulfur …, 2019 - Taylor & Francis
Sulfoxides, upon irradiation with ultraviolet (UV) light undergo α-cleavage, hydrogen
abstraction, photodeoxygenation, bimolecular photoreduction, and stereo-mutation. The UV …

Photochemistry of dibenzothiophene-S, S-dioxide: Reactions of a highly constrained biradical

WS Jenks, LM Taylor, Y Guo, Z Wan - Tetrahedron letters, 1994 - Elsevier
Photolysis of dibenzothiophene sulfoxide in isopropanol provides biphenyl in quantitative
yield via two sequential photochemical reactions. Mechanistic aspects of the reaction are …

Photodeoxygenation of Dibenzothiophene Sulfoxide:  Evidence for a Unimolecular S−O Cleavage Mechanism1

DD Gregory, Z Wan, WS Jenks - Journal of the American Chemical …, 1997 - ACS Publications
Photolysis of dibenzothiophene sulfoxide results in the formation of dibenzothiophene and
oxidized solvent. Though quantum yields are low, chemical yields of the sulfide are quite …

Photodeoxygenation of Dibenzothiophene S-Oxide Derivatives in Aqueous Media

J Korang, WR Grither, RD McCulla - Journal of the American …, 2010 - ACS Publications
The use of atomic oxygen (O (3P)) as potent oxidant in water has suffered from the lack of a
facile, efficient source. The photodeoxygenation of aromatic sulfoxides to the corresponding …

Thiol Reactivity toward Atomic Oxygen Generated during the Photodeoxygenation of Dibenzothiophene S-Oxide

SM Omlid, M Zhang, A Isor… - The Journal of Organic …, 2017 - ACS Publications
Aromatic heterocyclic oxides, such as dibenzothiophene S-oxide (DBTO), have been
suggested to release ground state atomic oxygen [O (3P)] upon irradiation, and as such …

Deoxygenation of dibenzothiophene-S-oxide and dibenzoselenophene-Se-oxide: A comparison of direct and sensitized photolysis

EM Rockafellow, RD McCulla, WS Jenks - Journal of Photochemistry and …, 2008 - Elsevier
Photolysis of dibenzothiophene-S-oxide (DBTO) and dibenzoselenophene-Se-oxide
(DBSeO) was examined under direct and sensitized conditions. Quantum yield and solvent …

Visible photooxidation of dibenzothiophenes sensitized by 2-(4-methoxyphenyl)-4, 6-diphenylpyrylium: An electron transfer mechanism without involvement of …

Y Che, W Ma, H Ji, J Zhao, L Zang - The Journal of Physical …, 2006 - ACS Publications
We report here on a new electron-transfer mechanism for visible-light photooxidation of
sulfides in which no superoxide ion is involved. Visible-light irradiation of 2-(4 …