Formation of Thermally Stable Derivatives of Chlordiazepoxide and Its Desmethyl Metabolite for GLC

1978 ◽  
Vol 67 (8) ◽  
pp. 1176-1177 ◽  
Author(s):  
H.P. Gelbke ◽  
H.J. Schlicht
Keyword(s):  
Thermally Stable ◽  
Derivatives Of

Thermally stable polyimide binders from aromatic dianhydrides and acetyl derivatives of aromatic diamines: Formation mechanism

1997 ◽  
Vol 37 (8) ◽  
pp. 1381-1386 ◽  
Author(s):  
M. Ya. Goykhman ◽  
V. M. Svetlichnyi ◽  
V. V. Kudriavtsev ◽  
N. G. Antonov ◽  
Yu. N. Panov ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Thermally Stable ◽  
Aromatic Diamines ◽  
Derivatives Of

Gas-Phase Flash Reactions of Diborane, Triborane Carbonyl and Tetraborane with Alkynes

1999 ◽  
Vol 64 (5) ◽  
pp. 806-818 ◽  
Author(s):  
Mark A. Fox ◽  
Robert Greatrex ◽  
Norman N. Greenwood ◽  
Martin Kirk
Keyword(s):  
Gas Phase ◽  
High Energy ◽  
Thermally Stable ◽  
Alkyl Derivatives ◽  
Methyl Derivatives ◽  
Derivatives Of

Several known volatile closo-carboranes (1,5-C2B3H5, 1,6-C2B4H6, 2,4-C2B5H7, 1,10-C2B8H10) and their alkyl derivatives and ten new alkyl derivatives of these carboranes were identified from the thermal gas-phase flash reactions of B2H6, B3H7CO and B4H10 with ethyne, propyne and but-2-yne. In addition, nido-C4B2H6 and its methyl derivatives were obtained from B2H6-alkyne flash reactions. All carboranes found in these high-energy reactions are the most thermally stable isomers of their class. The non-isolable borane {B3H7} is suggested as the initiator in all thermal flash reactions reported here.

Thermally Stable Diazoalkane Derivatives of the Unsaturated Ditungsten Hydride [W2Cp2(H)(μ-PCy2)(CO)2]

2015 ◽  
Vol 34 (15) ◽  
pp. 3833-3841 ◽  
Author(s):  
M. Angeles Alvarez ◽  
M. Esther García ◽  
Daniel García-Vivó ◽  
Estefanía Huergo ◽  
Miguel A. Ruiz ◽  
...  
Keyword(s):  
Thermally Stable ◽  
Derivatives Of

Thermally stable derivatives of propylenepolyamines as protective additives for lubricating oils used in compressors handling hydrogen sulfide-containing gas

1995 ◽  
Vol 31 (1) ◽  
pp. 23-25
Author(s):  
V. A. Trofimov ◽  
I. S. Panidi ◽  
V. G. Spirkin ◽  
L. V. Leonidova ◽  
E. A. Kozhekina ◽  
...  
Keyword(s):  
Hydrogen Sulfide ◽  
Thermally Stable ◽  
Lubricating Oils ◽  
Derivatives Of

scholarly journals LNA units present in [RP-PS]-(DNA#LNA) chimeras enhance the thermal stability of parallel duplexes and triplexes formed with (2′-OMe)-RNA strands

RSC Advances ◽  
2020 ◽  
Vol 10 (38) ◽  
pp. 22370-22376
Author(s):  
Katarzyna Jastrzębska ◽  
Barbara Mikołajczyk ◽  
Piotr Guga
Keyword(s):  
Thermal Stability ◽  
Thermally Stable ◽  
Derivatives Of ◽  
Thermal Stability Of

3′-O-(2-Thio-1,3,2-oxathiaphospholane) derivatives of 5′-O-DMT-LNA-nucleosides were used to prepare P-stereodefined (RP-PS)-DNA#LNA chimeras, which form thermally stable parallel complexes with (2′-OMe)-RNA matrices.

Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione

2015 ◽  
Vol 35 (1) ◽  
pp. 1-10 ◽  
Author(s):  
Iwona Zarzyka
Keyword(s):  
Thermal Stability ◽  
Polyurethane Foams ◽  
Thermally Stable ◽  
Structural Elements ◽  
Derivatives Of ◽  
Thermal Stability Of

Abstract Hydroxyalkyl derivatives containing oxamidoester and oxamide fragments have been separately obtained using oxamic acid, oxamide and alkylene carbonates. It has been proven that the presence of oxamidoester and oxamide structural fragments in oligomer structures is responsible for the thermal stability of these products. Rigid, thermally stable polyurethane foams were obtained with the use of oligomers with oxamidoestercarbamidoimide, carbamide, oxamidoester and oxamide groups as polyols components. The properties of these foamed materials were compared with each other and with the properties of reference foams. It was found that the polyurethane foams characterized by the best properties were obtained from hydroxypropyl derivatives of oxamide.

Thermal Reactions of Bisazides in Resists Containing Double Bonds

1986 ◽  
Vol 76 ◽  
Author(s):  
C. A. Pryde
Keyword(s):  
Thermal Stability ◽  
Ir Spectroscopy ◽  
Thermal Degradation ◽  
Significant Degree ◽  
Thermally Stable ◽  
Double Bonds ◽  
Thermal Reactions ◽  
Thermal Addition ◽  
Derivatives Of ◽  
Thermal Stability Of

ABSTRACTDerivatives of 2,6-bis(4-azidobenzylidene) cyclohexanone are frequently used as photosensitizers in photoresists. These compounds are generally considered to be quite thermally stable. However, there have been reports of thermal degradation occurring at temperatures as low as 60'C.Experiments done here suggest that the thermal stability of the azide is adversely affected by the presence of unsaturated material in the formulation. Data from IR spectroscopy show that, by itself, 2,6-bis(4-azidobenzylidene) 4-methylcyclohexanone is thermally stable in a polyamic acid film at 75–80° C. However, addition of a monomeric aminoacrylate to the formulation results in a significant decay in the absorption of the azide moiety in just a few hours at these same temperatures. This decay is attributed to reaction of the sensitizer with the acrylate double bonds. In a thick film, which might require a 1–2 hour prebake, this thermal addition could result in a significant degree of crosslinking and thus to decreased contrast in the final pattern.

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