Photochemistry of N ‐Phenyl Dibenzothiophene Sulfoximine †
نویسندگان
چکیده
منابع مشابه
Photochemistry of substituted dibenzothiophene oxides: the effect of trapping groups.
[reaction: see text] Photolyses of dibenzothiophene sulfoxides (DBTOs) with intramolecular trapping functionalities attached in the 4-position show higher quantum yields of deoxygenation. Deoxygenation quantum yields are also less solvent dependent for the substituted DBTOs. Product analysis shows a detectable amount of intramolecular O-trapped products and suggests that solvent effects observe...
متن کاملPhotochemistry and photophysics of halogen-substituted dibenzothiophene oxides.
Dibenzothiophene-5-oxide (DBTO) cleanly produces dibenzothiophene (DBT) on direct photolysis, but with very low quantum yield. A proposed mechanism involves scission of the S-O bond which is coupled to an intersystem crossing step, thus producing the sulfide and O((3)P) via a unimolecular pathway. To test this hypothesis, heavy atom substituted DBTOs were prepared and photolyzed. Iodo-, bromo-,...
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Buthionine sulfoximine (S-n-butyl homocysteine sulfoximine), the most potent of a series of analogs of methionine sulfoximine thus far studied (Griffith, O.W., Anderson, M.E., and Meister, A. (1979) J. Biol. Chem. 254, 1205-1210), inhibited gamma-glutamylcysteine synthetase about 20 times more effectively than did prothionine sulfoximine and at least 100 times more effectively than methionine s...
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We report the photochemistry of (OCS)n 2 cluster ions following 395 nm (n52 – 28) and 790 nm (n52 – 4) excitation. In marked contrast to (CO2)n 2 , extensive bond breaking and rearrangement is observed. Three types of ionic products are identified: S2 ~OCS!k , S ~OCS!k /OCS2 ~OCS!k21 , and (OCS)k 2 . For n,16, 395 nm dissociation is dominated by S2 -based fragments, supporting the theoretical p...
متن کاملN-Ethyl-N-phenyl-N′-tosylformamidine
The title compound, C(16)H(18)N(2)O(2)S, was obtained as an unexpected product while attempting to form carbon-nitro-gen bonds by catalytic amidation. The mol-ecule displays an E conformation about the C=N double bond. The planes of the two aromatic rings in the mol-ecule form a dihedral angle of 47.06 (9)°.
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ژورنال
عنوان ژورنال: Photochemistry and Photobiology
سال: 2021
ISSN: 0031-8655,1751-1097
DOI: 10.1111/php.13456