Results 241 to 250 of about 11,810 (276)

Synthesis and mesogenic properties of diaromatic cyanates and isocyanates-monomers for liquid crystalline thermosets

, 1995
Five pairs of mesogens with identical cores having either a cyanate or an isocyanate reactive terminal group have been synthesized. The monofunctional mesogens have a n-butoxy or a methoxy substituent as the second terminal group.
W. Mormann, J. Zimmermann
semanticscholar   +1 more source

Kinetics and mechanism of the titanium tetrachloride-catalysed cyclotrimerisation of aryl cyanates

, 1994
Aryl cyanates are converted cleanly at 25 °C to 1,3,5-triazines by catalytic amounts of titanium tetrachloride in dichloromethane. Based on IR spectroscopic, kinetic and product analysis, a mechanism is proposed involving rate-limiting nucleophilic ...
I. D. Cunningham, A. Brownhill, I. Hamerton, B. Howlin   +3 more
semanticscholar   +1 more source

Cyclotrimerization reactivities of mono‐ and difunctional cyanates

, 1998
The influence of substituents of several mono- and difunctional cyanates on their cyclotrimerization behaviour has been studied by several methods. Shifts of gel point and gel fractions at full conversion in dependence on the substituent were detected ...
J. Bauer, Lars Höper, M. Bauer
semanticscholar   +1 more source

Reversible inactivation of papain by cyanate

Biochimica et Biophysica Acta (BBA) - Enzymology, 1967
Low concentrations of KCNO (approx o.1. mM) were found to react rapidly with activated papain (EC 3.4.4.10), leading to inactivation of the enzyme. The reaction proved to be reversible, the activity slowly returning again on sufficient dilution of the enzyme-KCNO mixture.
openaire   +3 more sources

Cyanation of a ruthenicinium salt

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1967
In the presence of ferric chloride, ruthenocene undergoes direct cyanation with the formation of the previously undescribed ruthenocenecarbonitrile. Ruthenocene is far less active in this reaction than ferrocene.
L. P. Yur'eva, S. P. Gubin, A. A. Lubovich, É. G. Perevalova, A. N. Nesmeyanov   +4 more
openaire   +2 more sources

Cyanate-methaemoglobin

Biochimica et Biophysica Acta, 1950
R, BADER, P, DIRHNUBER, F, SCHUTZ
openaire   +2 more sources

Cyanate and sickle cell anemia

Trends in Biochemical Sciences, 1976
Abstract The treatment of sickle-cell patients with cyanate represents the first attempt to overcome the effects of a deleterious mutation by direct chemical modification of the mutant gene product. Human trials have revealed that oral administration of cyanate is unsafe; complications arise that were not uncovered in animal studies.
openaire   +2 more sources

Solvent-free Preparation of 5-Aryloxytetrazoles via [2+3] Cycloaddition of Cyanates and Sodium Azide Using Silica Supported Sulfuric Acid as an Effective Heterogeneous Catalyst

Chemistry of Heterocyclic Compounds, 2014
F. Khamooshi, B. Haghighi, K. Jhaleh, R. Aryan, A. Alam, A. Rezvani, A. Mirzaei, M. Maghsoodlou   +7 more
semanticscholar   +1 more source

CHLOROFORM SOLUBLE METAL PYRIDINE CYANATES

, 1928
T. L. Davis, A. V. Logan
semanticscholar   +1 more source

THE ACTION OF BUTYLMAGNESIUM BROMIDE ON THE AROMATIC ISOTHIO CYANATES

, 1925
D. Worrall
semanticscholar   +1 more source