Works matching IS 0022152X AND DT 1997 AND VI 34 AND IP 4
Results: 48
Mass spectral studies of some 1,2,4-oxa-(thia)diazol-5(4 H)-ones(thiones).
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1153, doi. 10.1002/jhet.5570340410
- By:
- Publication type:
- Article
Preparation and NMR spectra of substituted 2-phenyl-5,5-dialkylimidazolinones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1227, doi. 10.1002/jhet.5570340421
- By:
- Publication type:
- Article
Reaction of N<sup>1</sup>-acylacetamidrazones with trifluoroacetylvinyl ethers. Synthesis of new 4-trifluoromethyl- and 6-trifluoromethylpyridines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1283, doi. 10.1002/jhet.5570340432
- By:
- Publication type:
- Article
Synthesis of (±)-penlanfuran.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1111, doi. 10.1002/jhet.5570340403
- By:
- Publication type:
- Article
On the preparation of substituted 4 H- 1,3,4-thiadiazolo[2,3- c]-1,2,4-triazin-4-ones and 1,2,4-triazolo[3,4- b]-1,3,4-thiadiazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1351, doi. 10.1002/jhet.5570340443
- By:
- Publication type:
- Article
Synthesis and spectroscopy of phosphonate derivatives of uracil and thymine. X-ray crystal structure of diethyl 6-uracilmethylphosphonate.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1179, doi. 10.1002/jhet.5570340414
- By:
- Publication type:
- Article
Selective synthesis of some 5-hydrazono-5,6,7,8-tetrahydro-2 H-1-benzopyran-2-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1247, doi. 10.1002/jhet.5570340425
- By:
- Publication type:
- Article
Synthesis and reactions of 1-(2-oxopropyl)pyridazin-6-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1307, doi. 10.1002/jhet.5570340436
- By:
- Publication type:
- Article
Retro-ene reactions IV. Alkylation of 4,5-dichloro-1-hydroxy-methylpyridazin-6-one with α,ω-dibromoalkanes or 4,5-dichloro-1 -(ω-bromoalkyl)pyridazin-6-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1135, doi. 10.1002/jhet.5570340407
- By:
- Publication type:
- Article
A short and unequivocal synthesis of 5-aminotetrazolo[1,5- a]-quinazoline as a tricyclic analogue of 4-(3-bromoanilino)-6,7-dimethoxyquinazoline (PD 153035).
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1375, doi. 10.1002/jhet.5570340447
- By:
- Publication type:
- Article
A new synthesis of α-substituted δ-carbolines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1205, doi. 10.1002/jhet.5570340418
- By:
- Publication type:
- Article
Synthesis of 2-(4-quinazolinyl)ethyl sulfides via addition of thiols to 4-vinylquinazolines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1263, doi. 10.1002/jhet.5570340429
- By:
- Publication type:
- Article
Pyrrolothieno[1,4]diazepines. Part V. Study of their chemical reactivity and first synthesis of oxazino[4,3- c]pyrrolo[1,2- a]thieno[2,3- f] [1,4]diazepines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1219, doi. 10.1002/jhet.5570340420
- By:
- Publication type:
- Article
Fused 1,2,4-triazole heterocycles. IV. Synthesis of four new heterocyclic ring systems of [1,2,4]triazolo[1,3]thiazinoquinolines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1275, doi. 10.1002/jhet.5570340431
- By:
- Publication type:
- Article
The use of 4-hetaryliden- and 4-aryliden-5(4 H)-oxazolones as dienophiles. Appropriate reagents for the synthesis of cyclic analogues of natural amino acids.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1099, doi. 10.1002/jhet.5570340402
- By:
- Publication type:
- Article
Synthesis of new fluorinated 1,5-benzoxazepine derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1347, doi. 10.1002/jhet.5570340442
- By:
- Publication type:
- Article
Synthesis and characterization of new crown-type compounds with 4-pyrone Units.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1173, doi. 10.1002/jhet.5570340413
- By:
- Publication type:
- Article
A new synthesis of 4-phosphorylchromenes from 3-nitrochromenes.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1243, doi. 10.1002/jhet.5570340424
- By:
- Publication type:
- Article
Synthesis of N-α-styrylcyclopropane-5-phenylamino-1,2,4-triazoles and their conversion to γ-butyrolactones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1301, doi. 10.1002/jhet.5570340435
- By:
- Publication type:
- Article
Synthesis of substituted 1-benzyl-2,4,6-triphenyl-2,3-dihydro-pyrazolo [3,4- b] [1,4]diazepines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1131, doi. 10.1002/jhet.5570340406
- By:
- Publication type:
- Article
Palladium-catalyzed synthesis of 3-(alkylamino)isoindolin-1-ones by carbonylative cyclization of 2-bromobenzaldehyde with primary amines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1371, doi. 10.1002/jhet.5570340446
- By:
- Publication type:
- Article
Synthesis of 2′-amino-17-cyclopropylmethyl-6,7-dehydro-3,14-dihydroxy-4,5α-epoxy-6,7:4′,5′-thiazolomorphinan from naltrexone.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1195, doi. 10.1002/jhet.5570340417
- By:
- Publication type:
- Article
Lewis acid assisted reactions of N-(α- aminoalkyl)benzotriazoles and unactivated alkenes for the facile synthesis of 4-, 2,4-, and 3,4-substituted 1,2,3,4-tetrahydroquinolines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1259, doi. 10.1002/jhet.5570340428
- By:
- Publication type:
- Article
Isopropenyldihydrofuran derivatives. Preparation and reactions of some isopropenyldihydrofurandicarboxylates.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1329, doi. 10.1002/jhet.5570340439
- By:
- Publication type:
- Article
Synthesis of vinca alkaloids and related compounds LXXXV.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1267, doi. 10.1002/jhet.5570340430
- By:
- Publication type:
- Article
Heteroarylalanines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1067, doi. 10.1002/jhet.5570340401
- By:
- Publication type:
- Article
Conformational analysis of novel monoaryl substituted protoporphyrins by 1D NOE, 2D NOESY and molecular modeling studies.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1339, doi. 10.1002/jhet.5570340441
- By:
- Publication type:
- Article
Synthesis of [1]benzothieno[3,2- d]pyrimidines substituted with electron donating substituents on the benzene ring.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1163, doi. 10.1002/jhet.5570340412
- By:
- Publication type:
- Article
Intermediates for the synthesis of tetracyclic indole alkaloids. Synthesis of 4-aminotetrahydrocarbazole derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1239, doi. 10.1002/jhet.5570340423
- By:
- Publication type:
- Article
Ketene dithioacetal derivatives of 1-phenyl-3,5-dioxopyrazolidine. Synthesis and NMR characterization.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1297, doi. 10.1002/jhet.5570340434
- By:
- Publication type:
- Article
Synthesis of 1-halophenyl 4-(2-imidazolyl)-1-butanones and 5-(2-imidazolyl)-1-pentanones and their ketalization with glycerol.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1123, doi. 10.1002/jhet.5570340405
- By:
- Publication type:
- Article
Synthesis of 5-(1-azido-2-haloethyl)arabinouridines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1369, doi. 10.1002/jhet.5570340445
- By:
- Publication type:
- Article
Synthesis of new hetero[2,1]benzothiazepine derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1191, doi. 10.1002/jhet.5570340416
- By:
- Publication type:
- Article
1,2,4-Triazoles. Improved synthesis of 5-substituted 4-amino-3-mer-cato-(4 H)-1,2,4-triazoles and a facile route to 3,6-disubstituted 1,2,4-triazolo[3,4- b][1,3,4]thiadiazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1255, doi. 10.1002/jhet.5570340427
- By:
- Publication type:
- Article
The synthesis of pyrazolo[1,2- a]pyrazoles. Regio- and stereo-selective 1,3-dipolar cycloadditions of (1 Z)- rel-(4 R,5 R)-1-arylmethylene-4-benzoylamino-5-phenyl-3-pyrazolidinon-1 -azomethinimines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1323, doi. 10.1002/jhet.5570340438
- By:
- Publication type:
- Article
Synthesis of 6-phenyl-atevirdine.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1147, doi. 10.1002/jhet.5570340409
- By:
- Publication type:
- Article
Synthesis of 1-alkyl-2,3-dihydro-2-(4-pyridinyl)-1 H-isoindoles as potential selective serotonin reuptake inhibitors.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1335, doi. 10.1002/jhet.5570340440
- By:
- Publication type:
- Article
Preparation of 4-hydroxy-3-substituted, 2 H-1-benzopyran-2-ones and 2 H-1-benzothiopyran-2-ones from carboxylic esters and methyl salicylates or methyl thiosalicylate.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1159, doi. 10.1002/jhet.5570340411
- By:
- Publication type:
- Article
Studies on methoxylation in the 7 H-naphtho[1,2,3- I,j][2,7]naphthyridin-7-one system.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1233, doi. 10.1002/jhet.5570340422
- By:
- Publication type:
- Article
On the formation and reactivity of N(2), N(2′)-tetrasubstituted 2,4-diamino-5-(2-amino-4-thiazolyl)thiazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1291, doi. 10.1002/jhet.5570340433
- By:
- Publication type:
- Article
Regiospecific synthesis of 6-alkyltropan-2-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1139, doi. 10.1002/jhet.5570340408
- By:
- Publication type:
- Article
A simple one pot synthesis of 1-( s-triazolo[4,3- x]azinyl-3)-substituted polyols.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1115, doi. 10.1002/jhet.5570340404
- By:
- Publication type:
- Article
2-Azidopyrrolo[2,1- c][1,4]benzodiazepines. Synthesis of the first cyclic amidine derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1185, doi. 10.1002/jhet.5570340415
- By:
- Publication type:
- Article
Synthesis of 2-[mercapto(cyano)methylene]-1,2,3,4-tetrahydro-quinazolin-4-ones and 2-amino-4-methylpyrazolo-[1,5- a]quinazolin-5(4 H)-one.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1251, doi. 10.1002/jhet.5570340426
- By:
- Publication type:
- Article
New epoxyisoindolines by intramolecular diels-alder reactions of some methyl-substituted allylaryl-2-furfurylamines.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1315, doi. 10.1002/jhet.5570340437
- By:
- Publication type:
- Article
Synthesis and exchange reactions of 5-alkyl-2-oxo-6-thioxo-1,2,3,6-hexahydropyrimidine-4-carboxylic acids.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1355, doi. 10.1002/jhet.5570340444
- By:
- Publication type:
- Article
Synthesis of 1,2,3-triarylpyrroles from 1-benzylbenzotriazoles via [1 + 2 + 2] annulation.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1379, doi. 10.1002/jhet.5570340448
- By:
- Publication type:
- Article
Saturated heterocycles, 248.
- Published in:
- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 4, p. 1211, doi. 10.1002/jhet.5570340419
- By:
- Publication type:
- Article