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).

51. A heterocyclic substituted Acardite derivate and use thereof namely compounds in the general formula (1) or the general formula (2) or pharmaceutically acceptable salts thereof, wherein A is monosubstituted or polysubstituted quinoline, isoquinoline, quinazoline, pyrrole, pyrimidine.

52. A compound of the formula (I):whereinring A is a carbocyclic group, R1 is hydrogen or a halogen atom or a lower alkyl group,R2 is a di(lower)alkylamino group or N-containing heterocyclic group, among which the N-containing heterocyclic group may be substituted with one or more substituent(s),Y is an oxygen or sulfur atom, n is an integer from 0 to 2, andm is an integer from 0 to 4,or its prodrug, or their salt.which has poly(adenosine 5'-diphospho-ribose)polymerase inhibiting activity.

53. Darstellung Chiraler heterocyclischer β-Aminosäureester / Preparation of Chiral Heterocyclic Esters of β-Amino Acids Hans Günter Aurich 1 , Christian Gentes 1 and Ulrich Sievers 1 1 Fachbereich Chemie der Philipps-Universität Marburg, D-35032 Marburg

54. OH) where R is an alkyl, alicyclic, chiral, alkylaryl group or substituted alkyl, alicyclic, chiral, alkaryl group or the two R groups attached to one phosphorus atom can form a heterocyclic ring with the phosphorus atom and X is H or a halide.

55. Azine [ ăz ′ēn′, ā ′zēn′ ] Any of various organic compounds, such as pyridine or pyrimidine, that have a ring structure like that of benzene but with one or more carbon atoms replaced by a nitrogen atom. Azines are heterocyclic compounds.

56. The invention relates to the use in non-linear optics of azo dyes of formula I and the use of polymers containing azo dyes which include as characteristic monomer units bivalent groups derived from an azo dye of formula (I) wherein: D represents the residue of a diazo component derived from an aniline or from a five-membered aromatic heterocyclic amine whose heterocyclic ring includes one to three heteroatoms chosen from the group nitrogen, oxygen and sulphur and which can be anellated by a benzene, thiophene, pyridine or pyrimidine ring; R?

57. The present application relates to new heterocyclic compounds of formula (I), wherein D stands for a substructure of formula (I-A), a method for the production thereof and the use thereof for combatting animal pests, including arthropods and in particular insects and acarides.

58. Photosensitive polybenzoxazine compositions include a photosensitive additive such as an o-diazoquinone and a polymer comprising a repeating unit represented by the following formula (I) wherein R1 comprises an aliphatic group, an alicyclic group, an aromatic group, a heterocyclic group, or combinations thereof, R2 comprises an aliphatic group, an alicyclic group, an aromatic group, a heterocyclic group, or combinations thereof, R4 comprises a hydrophilic group, a hydrophilic group protected by an acid-cleavable group, a hydrophilic group protected by a base- cleavable group, a cross-linkable group, or combinations thereof, and i represents an integer of 1 or more.

59. Substituted condensation products of N-benzyl-3-indenylacetamides of formula (I) with heterocyclic aldehydes are useful for inducing or promoting apoptosis and for arresting uncontrolled neoplastic cell proliferation, and are specifically useful in the arresting and treatment of neoplasias, including precancerous and cancerous lesions.

60. The present invention discloses a heterocyclic substituted Acardite derivate and application thereof, namely compounds of the general formula (1) or the general formula (2) or pharmaceutically acceptable salts thereof, wherein A is monosubstituted or polysubstituted quinoline, isoquinoline, quinazoline, pyrrole or pyrimidine, and the substituent is halogen, C 1-5 alkyl, C 1-5 …

61. As nouns the difference between Alkaloid and alkali is that Alkaloid is (organic chemistry) any of many organic heterocyclic bases, that occur in nature and often have medicinal properties while alkali is (chemistry) one of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and

62. The present invention discloses a heterocyclic substituted Acardite derivate and application thereof, namely compounds of the general formula (1) or the general formula (2) or pharmaceutically acceptable salts thereof, wherein A is monosubstituted or polysubstituted quinoline, isoquinoline, quinazoline, pyrrole or pyrimidine, and the substituent is halogen, C 1-5 alkyl, C 1-5 haloalkyl, C 1-5

63. Disclosed are polymeric compounds which are useful as prodrugs, comprising a chain of monomeric nucleosides, nucleoside analogs or abasic nucleosides, wherein at least one of the nucleosides or nucleoside analogs or a heterocyclic derivative thereof is pharmaceutically active and the nucleosides, nucleoside analogs or abasic nucleosides are linked by a phosphodiester group, a phosphorothioate group or an H-, alkyl or alkenyl phosphonate group.

64. This invention relates to a process for the production of substantially odorless, color stable N-vinyl heterocyclic copolymer which includes contacting alcohol solution of the copolymer, under reduced pressure, with water and a reducing agent selected from the group of a nitrogen containing borane complex, sulfurous acid and an alkali metal salt of sulfurous acid and recovering an aqueous, 10-80 wt.% solids solution of the copolymer having a substantially color free stability for a period of more than a year.

65. Inositol derivatives are described that are represented by the structural formula (I) wherein X is a radical of scyllo-inositol wherein one or more of R1, R2, R3, R4, R5, and R6 are independently alkyl, alkenyl, alkynyl, alkylene, alkenylene, alkoxy, alkenyloxy, cycloalkyl, cycloalkenyl, cycloalkoxy, aryl, aryloxy, arylalkoxy, aroyl, heteroaryl, heterocyclic, acyl, acyloxy, sulfoxide, sulfate, sulfonyl, sulfenyl, sulfonate, sulfinyl, amino, imino, azido, thiol, thioalkyl, thioalkoxy, thioaryl, nitro, cyano, halo, seleno, silyl, silyloxy, silylthio, carboxyl, carbonyl, carbamoyl, or carboxamide and the other of R1, R2, R3, R4, R5, or R6 are hydroxyl, or pharmaceutically acceptable salts thereof.

66. A composition for controlling simultaneously insects or representatives of the order Acarina and microorganisms, which composition comprises at least one compound of formula (I), wherein A is an unsubstituted or mono- to tetra-substituted aromatic or non-aromatic, monocyclic or bicyclic, heterocyclic radical, one or two of the substituents of A being selected from the group consisting of: halo-C¿1?-C¿3? alkyl, cyclopropyl, halocyclopropyl, C¿2?-C¿3? alkenyl, C¿2?-C¿3? alkynyl, halo-C¿2?-C¿3? alkenyl, halo-C¿2?-C¿3? alkynyl, halo-C¿1?-C¿3? alkoxy, C¿1?-C¿3?

67. 5¿ together with the nitrogen atom to which they are attached form a heterocyclic ring; X represents O, S or NR wherein R represents a hydrogen atom, an alkyl group, an acyl group, an aralkyl group wherein the aryl moiety may be substituted or unsubstituted, or a substituted or unsubstituted aryl group; m represents an integer in the range of from 1 to 6; and n represents an integer in the range of from 2 to 6; a process for preparing such a compound, a composition comprising such a compound and the use of such a compound and composition in medicine.

68. Composition for controlling insects and representatives of the order Acarina, which comprises a combination of variable amounts of one or more compounds of formula (A), in which A is an unsubstituted or, depending on the possibility of substitution on the ring system, mono- to tetrasubstituted, aromatic or non-aromatic monocyclic or bicyclic heterocyclic radical, in which the substituents of A can be chosen from the group consisting of C¿1?-C¿3? alkyl, C¿1?-C¿3? alkoxy, halogen, halo-C¿1?-C¿3? alkyl, cyclopropyl, halocyclopropyl, C¿2?-C¿3? alkenyl, C¿2?-C¿3? alkynyl, halo-C¿2?-C¿3? alkenyl, halo-C¿2?-C¿3? alkynyl, halo-C¿1?-C¿3?

69. 455/ 00 Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine [2] 455/ 02 . containing not further condensed quinolizine ring systems [2] 455/ 03 . containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine [3] 455/ 04 . . containing a quinolizine ring system condensed with only one six-membered carbocyclic ring, e.g. julolidine [2,3] 455/ 06 . . . containing benzo [a] quinolizine ring systems [2,3] 455/ 08 . . . . having an isoquinolyl-1, a substituted isoquinolyl-1 or an alkylenedioxyisoquinolyl-1 radical linked through only one carbon atom, attached in position 2, e.g. emetine [2,3]

70. The invention relates to an N-heterocyclic carbene complex of general formulas I to IV (I) (II) (III) (IV), according to which A1 stands for NR2 or PR2, A2 stands for CR2R2', NR2, PR2, O or S, A3 stands for N or P, and C stands for a carbene carbon atom, ring B is an unsubstituted or a mono or poly-substituted 5 to 7-membered ring, substituents R2 and R2' stand, inter alia, for a linear or branched C1-C10-alkyl group and, if A1 and A2 each stand for NR2 or PR2, are the same or different, M in formulas I, II, III or IV stands for Cr, Mo or W, X1 or X2 in formulas I to IV are the same or different and represent, inter alia, C1-C18 carboxylates and C1-C18-alkoxides, Y is inter alia oxygen or sulphur, Z is inter alia a linear or branched C1-C10-alkylenoxy group, and R1 and R1' in formulas I to IV are, inter alia, an aliphatic or aromatic group.