Optical and electrochemical properties of ethynylaniline derivatives of phenothiazine, phenothiazine-5-oxide and phenothiazine-5,5-dioxide

2014 ◽  
Vol 16 (24) ◽  
pp. 12266-12274 ◽  
Author(s):  
Kim D. Thériault ◽  
Todd C. Sutherland
Keyword(s):  
Excited State ◽  
Electrochemical Properties ◽  
Oxidation State ◽  
Sulfur Oxidation ◽  
Homo Energy ◽  
Derivatives Of

Modifications in the sulfur oxidation state of phenothiazine results in dramatic changes to the excited-state geometry with little effect on the HOMO energy.

scholarly journals Using sulfur bridge oxidation to control electronic coupling and photochemistry in covalent anthracene dimers

2019 ◽  
Vol 10 (32) ◽  
pp. 7561-7573 ◽  
Author(s):  
Chad D. Cruz ◽  
Jennifer Yuan ◽  
Clàudia Climent ◽  
Nathan T. Tierce ◽  
Peter R. Christensen ◽  
...  
Keyword(s):  
Excited State ◽  
Oxidation State ◽  
Sulfur Atom ◽  
Sulfur Oxidation ◽  
Electronic Coupling ◽  
Intersystem Crossing ◽  
State Behavior

For anthracene dimers bridged by a sulfur atom, modulating the sulfur oxidation state profoundly affects excited state behavior. The SO2-bridge supports long-lived states and photodimerization, while the S-bridge undergoes intersystem crossing.

Amino derivatives of symmetric 1,3,5-triphenylbenzene. Nature of the polar singlet excited state.

1993 ◽  
Vol 176 (1) ◽  
pp. 195-213 ◽  
Author(s):  
G. Verbeek ◽  
S. Depaemelaere ◽  
M. Van der Auweraer ◽  
F.C. De Schryver ◽  
A. Vaes ◽  
...  
Keyword(s):  
Excited State ◽  
Singlet Excited State ◽  
Amino Derivatives ◽  
Derivatives Of

Phenols as probes of chemical composition of graphene oxide

2016 ◽  
Vol 18 (44) ◽  
pp. 30515-30519 ◽  
Author(s):  
Thi Mai Huong Tran ◽  
Adriano Ambrosi ◽  
Martin Pumera
Keyword(s):  
Graphene Oxide ◽  
Chemical Composition ◽  
Phenolic Compounds ◽  
Electrochemical Properties ◽  
Oxidation State

Phenolic compounds are used to test the graphene oxide oxidation state and the electrochemical properties.

Synthesis, antitumorigenic activity, and electrochemical properties of uracil derivatives of the furan series

1991 ◽  
Vol 27 (12) ◽  
pp. 1358-1364 ◽  
Author(s):  
M. Trushule ◽  
�. Kupche ◽  
I. Augustane ◽  
N. V. Verovskii ◽  
�. Lukevits ◽  
...  
Keyword(s):  
Electrochemical Properties ◽  
Antitumorigenic Activity ◽  
Furan Series ◽  
Uracil Derivatives ◽  
Derivatives Of

Über Derivate des Hydrazins, VII Zur Reaktivität von Bis(trimethylsilyl)aminoisocyanid / On Derivatives of Hydrazine, VII Reactivity of Bis(trimethylsilyl)aminoisocyanide

1977 ◽  
Vol 32 (9) ◽  
pp. 1003-1009 ◽  
Author(s):  
Nils Wiberg ◽  
Gerhard Hübler
Keyword(s):  
Double Bond ◽  
Oxidation State ◽  
Ring Cleavage ◽  
Reaction Paths ◽  
Stable Compound ◽  
Oxidizing Agents ◽  
Formal Oxidation State ◽  
Double Bond System ◽  
Bond System ◽  
Derivatives Of

The chemistry of bis(trimethylsilyl)aminoisocyanide (1) is determined by three reactive centres of the system : the hydrolyzable Si–N-bond, the oxidizable carbon in the formal oxidation state two, the additionable double bond system. Reactions of the oxygen stable compound 1 with halogens X2 or sulfenyl halides RSX as oxidizing agents gives compounds of type (Me3Si)2NNCX2 or (Me3Si)2NNCX(SR). Heterocumulenes such as CO2, CS2, RNCS (R = (Me3Si)2N), SO2 add to 1, leading to heterocycles, which decompose at higher temperatures by ring cleavage. With other heterocumulenes such as PhNCO, Me3SiNSO, Me3SiNSNSiMe3 products are found, the formation of which could be explained by reaction paths including the building and cleavage of heterocycles.

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