heterocyclic in English
The majority of photosensitive molecules have a heterocyclic ring structure similar to that of chlorophyll or hemoglobin.
Use "heterocyclic" in a sentence
1. Heterocyclic acetophenone potentiators of metabotropic glutamate receptors
2. The present invention relates to heterocyclic derivatives, and more particularly, to novel heterocyclic derivatives useful for the preparation of medicaments for treating diseases related to uric acid.
3. Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine.
4. Absorption oils, bicyclo arom. and heterocyclic hydrocarbon fraction; Wash oil redistillate
5. The chlorin ring is a heterocyclic compound derived from pyrrole.
6. Most Alkaloids have basic properties connected with a heterocyclic tertiary nitrogen.
7. Hardenable mixtures made of glycidyl compounds, aminic hardeners and heterocyclic accelerators
8. Novel compounds are constructed to include a central aromatic, aliphatic, or heterocyclic ring system.
9. Heterocyclic carboxylic acid derivatives and pharmaceutical composition for inhibiting lipid accumulation containing same
10. 1,2,4-TRIAZOLO[1,5-c]PYRIMIDINE HETEROCYCLIC ANALOGUES HAVING ANTAGONISTIC ACTIVITY ON ADENOSINE A¿2?
11. 29.34 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds.
12. Method for preparing amide and imide from alcohol and nitrogen-containing heterocyclic compound
13. Benzobisoxazole Cruciforms: Heterocyclic Fluorophores with Spatially Separated Frontier Molecular Orbitals Jaebum Lim,† Thomas A
14. Other nucleophiles as amines, phenols, alcohols, thioethers or N-heterocyclic compounds do not interfere.
15. is an aromatic heterocyclic alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or naphtyl radical, R¿4?
16. Solid composition of heterocyclic compounds and/or oxime esters and inert porous carrier materials
17. In Hantzsch–Widman nomenclature, an Azine is an heterocyclic compound containing a 6-membered aromatic ring
18. Uric acid is a heterocyclic compound of carbon, nitrogen, oxygen, and hydrogen with the formula C5H4N4O3.
19. N-heterocyclic carbene complexes of metal imido alkylidenes and metal oxo alkylidenes, and the use of same
20. The present specification provides a heterocyclic compound and an organic light-emitting device comprising the same.
21. The products obtained with aliphatic, aromatic and heterocyclic bases are suited to the microchemical differentiation of these compounds.
22. The hidden danger is heterocyclic amines -- specifically phenomethylimidazopyridine, or PhlP -- ( laughter ) which is the immunogenic or carcinogenic compound.
23. The hidden danger is heterocyclic amines -- specifically phenomethylimidazopyridine, or PhIP -- (laughter) which is the immunogenic or carcinogenic compound.
24. In more recent times in particular, the use of Azides in peptide chemistry, combinatorial chemistry, and heterocyclic synthesis has been extensively explored
25. Simple aromatic rings can be heterocyclic if they contain non-carbon ring atoms, for example, oxygen, nitrogen, or sulfur.
26. This implies that the formation of N-heterocyclic carbine complexes can be effectively tuned by varying the Basifies of counteractions
27. Alkylidene complexes of ruthenium with n-heterocyclic carbene ligands and their use as highly active, selective catalysts for olefin metathesis
28. What does Chelate mean? A chemical compound in the form of a heterocyclic ring, containing a metal ion attached by co
29. The best computational scheme for heterocyclic Azines at the DFT level was found to be KT3/pcS‐3//pc‐2 (IEF‐PCM)
30. Computational studies suggest that, relative to the corresponding boryl anion, heterocyclic (diamido)Aluminyl systems of the type [Al(NRCH) 2] − should have a …
31. Basicity of heterocyclic amines When a nitrogen atom is incorporated directly into an aromatic ring, its Basicity depends on the bonding context
32. represents hydrogen; alkyl; aryl; one heterocyclic compound with 5 or 6 chain links having at least one nitrogen, oxygen or sulphur atom; when R¿2?
33. Fused polycyclic aromatic hydrocarbon s and fused heterocyclic aromatics may extend and broaden absorption, and modify the solubility, crystallinity, and film-forming properties of the porphyrin compounds.
34. Azines heterocyclic compounds containing at least two other atoms, of which at least one is a nitrogen atom, in the cycle along with carbon atoms
35. represent hydrogen; alkyl, aryl; one heterocyclic compound with 5 or 6 chain links having at least one nitrogen, oxygen or sulphur atom; when R?
36. The present invention provides a composition of matter comprising a biosynthetic anti-inflammatory oligosaccharide, comprising the structure of: sugar - sugar - X - R; wherein said sugar is selected from the group consisting of N-acetylneuraminic acid, galactose, N-acetylglucosamine, N-acetylgalactosamine, fucose and mannose; wherein X is a bridging atom selected from the group consisting of oxygen, sulfur, nitrogen and carbon; and wherein R is an aglycone selected from the group consisting of naphthol, naphthalenemethane, indenol, a heterocyclic derivative of indenol, a heterocyclic derivative of naphthol and a heterocyclic derivative of naphthalenemethanol.
37. 1 hour ago · A new [4+1]-annulation of in situ generated heterocyclic Azine-aldimines with β-keto sulfoxonium ylides has been developed
38. The Alkaloids are defined as ‘basic nitrogenous plant products, mostly optically active and possessing nitrogen heterocyclic as their structural unit, with a pronounced physiological action
39. Terpene and steroid Alkaloids According to this classification, the majority of Alkaloids comprise the heterocyclic group, whereas the putrescine, spermidine, and spermine Alkaloids form the smallest group
40. Cyclopropane-1,1-dicarboxylic acid, 97% Cas 598-10-7 is used in synthesis of new heterocyclic derivatives of Cyclopropane dicarboxylic acid containing thiadiazole and 1,2,4-triazole moieties.
41. 28/ 00 Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur [2] 28/ 02 . by a bond to sulfur [2] 28/ 04 . . Thioethers [2] 28/ 06 . by a heterocyclic ring containing sulfur [2]
42. An example method includes providing a sorptive media and providing a primary ligand having an affinity for the sorptive media, the primary ligand being an amphipathic, heterocyclic metal-coordinating compound.
43. Alkaloids is a term used collectively to describe a large and diverse group of chemicals that have alkali-like properties and at least one nitrogen atom in a heterocyclic ring structure.
44. In the reaction of these substituted acetoacetic acid esters with alkyl halides in the presence of bases, the formation of benzopyridothiazoles is observed; these heterocyclic compounds are alkyl-substituted at C-4.
45. The development of a new chiral phosphoric acid catalyst has provided a convenient strategy for the enantioselective construction of protected primary amines and provided a highly stereoselective method for the reductive Amination of heterocyclic amines.
46. A vast amount of unknown 15 N NMR chemical shifts was predicted using the best computational protocol for substituted heterocyclic Azines, especially for trizine, tetrazine, and pentazine where experimental 15 N NMR chemical
47. Hartmann and co-workers have described the synthesis of a series of potent and selective inhibitors of aldosterone synthase (CYP11B2), in which the key synthetic step was a Wittig reaction using various heterocyclic Aldehydes ( Scheme 1 ).
48. Azine definition, any of a group of six-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diAzine or triAzine
49. The invention relates to prodrugs of pharmacologically active, five-membered heterocyclic amidines from which in vivo compounds are obtained, these compounds being competitive inhibitors of trypsin-type serin proteases, especially thrombin and kininogenases such as kallikrein.
50. Cooking at high temperatures or with the food in direct contact with a flame or a hot surface, as in barbecuing or pan-frying, produces more of certain types of Carcinogenic chemicals (such as polycyclic aromatic hydrocarbons and heterocyclic aromatic amines).