Results 101 to 110 of about 5,865 (290)

Über Reaktionen von Dicyanimid (DCI) mit N,N'-disubstituierten Thioharnstoffen

open access: yesCHIMIA, 1974
The reaction of dicyanimide with symmetrical disubstituted thioureas in absolute alcohol in presence of hydrogen chloride gives in good yields derivatives of the 1.3.5-thiadiazine.
Eberhard Fischer   +2 more
doaj   +1 more source

Synthesis of Aliphatic Bis(Thioureas) [PDF]

open access: yes, 1991
The synthesis of aliphatic bifunctional thioureas have been attempted using several nucleophilic displacement reactions. The first method involved treatment of an aliphatic diamine with ammonium thiocyanate, under two different sets of reaction ...
McEwen IV \u2791, Donald G.
core  

Search for New Oral Hypoglycemic Agents. Part I. Synthesis of Some New Substituted Thioureas

open access: yes, 1961
Several substituted thioureas have been prepared for testing their hypoglycemic ...
A. Swaroop, S. S. Tiwari
core   +1 more source

Thiourea-Based H2S-Releasing Pramipexole Hybrids as Neuroprotective Agents

open access: yesAntioxidants
Multitarget hybrid molecules are a promising strategy for treating complex neurodegenerative disorders such as Parkinson’s disease (PD), where dopaminergic dysfunction, oxidative stress, neuroinflammation, and cellular senescence coexist and drive ...
Angela Corvino   +12 more
doaj   +1 more source

One-Pot Synthesis of 5-Arylidene-2-Imino-4-Thiazolidinones under Microwave Irradiation

open access: yesMolecules, 2006
A rapid and easy solvent free one-pot synthesis of 5-arylidene-2-imino-4- thiazolidinones by condensation of the thioureas with chloroacetic acid and an aldehyde under microwave-irradiation is described.
Mustapha Rahmouni   +4 more
doaj   +1 more source

Recent advances in photocatalytic hydrogen peroxide production

open access: yesPhotoMat, EarlyView., 2023
We classify the representative photocatalytic materials for photosynthesis of hydrogen peroxide (H2O2) in recent years and discuss the related modification methods in detail, providing inspiration and insights for the future design of photocatalysts for H2O2 production.
Jinyu Yan   +4 more
wiley   +1 more source

Untersuchungen zum Reaktionsverhalten von N,N-disubstituierten Thioharnstoffen gegenüber Dicyanimid (DCI)

open access: yesCHIMIA, 1974
N,N-disubstituted thioureas react with dicyanimide in a simple reaction to form derivatives of the 4H-1.3.5-thiadiazine. The N,N-dimethyl-, N,N-diethyl- and N,N-di-n-propyl-thiourea react under formation of derivatives of S, S'-bis-guanyl ...
Eberhard Fischer   +2 more
doaj   +1 more source

Synthesis of Potential Pesticidal Agents : Thioureas Derived from Heterocyclic Amines

open access: yes, 1976
Post Graduate Department of Chemistry, S.C. College, Ballia (U.P.) Manuscript received 4 November 1975: accepted 19 February 1976 2-Amino-5-substituted 1,3,4-oxadiazoles have been condensed with different aryl isothiocyanates under different reaction ...
H. N. PANDEY, V. J. RAM, LALLAN MISHRA
core   +1 more source

Catalyst-Free Synthesis of Polysubstituted 5-Acylamino-1,3-Thiazoles via Hantzsch Cyclization of α-Chloroglycinates

open access: yesMolecules, 2019
A catalyst-free heterocyclization reaction of α-chloroglycinates with thiobenzamides or thioureas leading to 2,4-disubstituted-5-acylamino-1,3-thiazoles has been developed.
Mara Tomassetti   +8 more
doaj   +1 more source

Thioureas Derived from (S)-1-(2-pyridyl)ethylamine Enantiomer: Synthesis and Selected Applications as an Organocatalyst

open access: yes
In order to expand the group of chiral thiourea structures, several optically active thioureas derived from the (S)-1-(2-pyridyl)ethylamine enantiomer were prepared via its reaction with achiral or optically active isothiocyanates.
Jacek Chrzanowski   +4 more
core   +1 more source

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