Photochemical behaviour of α,ω-bis(alkylthio)alkanes

Anklam, Elke

doi:10.1016/1010-6030(89)87034-0

Journal of Photochemistry and Photobiology A: Chemistry

1989

DOI: 10.1016/1010-6030(89)87034-0

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Photochemical behaviour of α,ω-bis(alkylthio)alkanes

Elke Anklam¹

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Cited by 3 publications

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“…The present data may be helpful in the characterization of n-(alkylthio) -1-alkanethiols in aroma compounds, foodstuffs, and natural products. tral excited parent molecules have been found in photochemical studies of l,n-bis(alkylthio)alkanes 2 (Anklam, 1989a).…”

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NMR and mass spectroscopic studies on n-(alkylthio)-1-alkanethiols

Anklam¹,

Aced²

1990

J. Agric. Food Chem.

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mentioning

confidence: 99%

NMR and mass spectroscopic studies on n-(alkylthio)-1-alkanethiols

Anklam¹,

Aced²

1990

J. Agric. Food Chem.

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Sequence‐Selective Organoiridium DNA Bis‐Intercalators with Flexible Dithiaalkane Linker Chains

et al. 2010

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The rapid DNA intercalation by dinuclear polypyridyl (η 5 -C 5 Me 5 )Ir III complexes of the type [{(η 5 -C 5 Me 5 )Ir(dppz)} 2 (µ-L)](CF 3 SO 3 ) 4 1-4 has been studied by UV/Vis spectroscopy, circular dichroism, viscosity measurements and nuclear magnetic resonance. Whereas the Ir atoms of compounds 1-3 are linked by flexible dithiaalkanes of the type L = CH 3 S(CH 2 ) n -SCH 3 (n = 4-6), compound 4 contains cyclic 1,4-dithiane as a shorter more rigid bridging ligand. Stable intercalative binding into CT DNA is indicated for 1-3 by large increases

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Structure and stability of 2σ/1σ* three‐electron‐bonded radical cations from 1,n‐bis(alkylthio)alkanes in aqueous solutions

Anklam¹,

Asmus²,

Mohan

1990

J of Physical Organic Chem

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A large number of 1,n‐bis(alkylthio)alkanes, R′S(CH2)nSR″, was investigated by pulse radiolysis in aqueous solutions. The sulphur‐centred radical cations, which were obtained on oxidation of the dithia compounds by ·OH radicals, are stabilized via 2σ/1σ* three‐electron interaction between two sulphur atoms. Intramolecular stabilization is the only process observed for n = 2–4, whereas for longer chain compounds with n > 4 some intermolecular sulphur–sulphur interaction is also indicated. The stability and yields of the three‐electron‐bonded species also depend on the nature of the substituents R′ and R″, and for the intermolecular systems are a function of solute concentration. The results corroborate earlier investigations and demonstrate, in particular, that the optical parameters are a very sensitive measure of changes in electron density and structure of the three‐electron‐bonded systems.

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Photochemical behaviour of α,ω-bis(alkylthio)alkanes

Cited by 3 publications

References 14 publications

NMR and mass spectroscopic studies on n-(alkylthio)-1-alkanethiols

NMR and mass spectroscopic studies on n-(alkylthio)-1-alkanethiols

Sequence‐Selective Organoiridium DNA Bis‐Intercalators with Flexible Dithiaalkane Linker Chains

Structure and stability of 2σ/1σ* three‐electron‐bonded radical cations from 1,n‐bis(alkylthio)alkanes in aqueous solutions

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