Works matching IS 0022152X AND DT 1990 AND VI 27 AND IP 7
Results: 66
Synthesis of pyrrolo[2,3- d]pyrimidine ribosides and their potential in chemotherapeutics.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2069, doi. 10.1002/jhet.5570270740
- By:
- Publication type:
- Article
The electron transfer reactions of cyano substituted pyridines and quinolines with thermally generated diphenyl ketyl.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1903, doi. 10.1002/jhet.5570270711
- By:
- Publication type:
- Article
Reaction of reissert anion with aldimines: A new approach to the imidazo[5,1-α]isoquinoline ring system.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2129, doi. 10.1002/jhet.5570270751
- By:
- Publication type:
- Article
Chemistry of condensed thiophenes. IV. Acetylation of phenanthro[4,5- bcd]thiophene.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1969, doi. 10.1002/jhet.5570270722
- By:
- Publication type:
- Article
Oxidation of 3-hydroxykynurenine. An EPR investigation.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2207, doi. 10.1002/jhet.5570270762
- By:
- Publication type:
- Article
Molecular rearrangements of 4-iminomethyl-1,2,3-triazoles. Replacement of 1-aryl substituents in 1 H-1,2,3-triazole-4-carbaldehydes.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2021, doi. 10.1002/jhet.5570270733
- By:
- Publication type:
- Article
Isolation of keto- s-phenylthioxime of [2<sup>3</sup>]cyclophane-1,2-dione. Re-visited contraction of 1,2,5-thiadiazole ring incorporated in a [2<sup>3</sup>]cyclophane bridge by phenylmagnesium bromide.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1861, doi. 10.1002/jhet.5570270704
- By:
- Publication type:
- Article
Synthetic route to 4-(2-aminoethyl)-5-hydroxyindole derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2093, doi. 10.1002/jhet.5570270744
- By:
- Publication type:
- Article
Régiospécificit de l'action des arylnitriloxydes sur la 4-cyano 1-methyl 1,4-dihydro quinoline.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1931, doi. 10.1002/jhet.5570270715
- By:
- Publication type:
- Article
Synthetic entries to 6-fluoro-7-substituted indole derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2151, doi. 10.1002/jhet.5570270755
- By:
- Publication type:
- Article
Pyrrolopyridazine nucleosides. The synthesis of certain 1-β-D-ribofuranosyl-1 H-pyrrolo[2,3- d]pyridazin-4(5 H)-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1989, doi. 10.1002/jhet.5570270726
- By:
- Publication type:
- Article
Synthesis of 2,3,11,12,20,21,29,30-octadodecylthio-2,3-naphthalocyanines.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2219, doi. 10.1002/jhet.5570270766
- By:
- Publication type:
- Article
The synthesis of difluoro[1]benzothieno[2,3- c]quinolines and their N-methyl quaternary salts.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2047, doi. 10.1002/jhet.5570270737
- By:
- Publication type:
- Article
Saturated heterocycles, Part 172.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1885, doi. 10.1002/jhet.5570270708
- By:
- Publication type:
- Article
Preparation of macrocyclic di- and tetraamides containing unsubstituted macroring nitrogen atoms, tertiary amine sidearms and/or piperazine subcyclic units.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2113, doi. 10.1002/jhet.5570270748
- By:
- Publication type:
- Article
Acetylenic chemistry. Part 17.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1953, doi. 10.1002/jhet.5570270719
- By:
- Publication type:
- Article
The synthesis of ring-expanded analogues of xanthine containing the imidazo[4,5- e][1,4]diazepine ring system.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2189, doi. 10.1002/jhet.5570270759
- By:
- Publication type:
- Article
Synthesis of 7-alkyl-2,4-dimethoxy-5-oxo-5 H-pyrano[4,3- d]pyrimidines.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1899, doi. 10.1002/jhet.5570270710
- By:
- Publication type:
- Article
Phenylurethans of pyrazolidinols and piperidazinols as anticonvulsants.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2125, doi. 10.1002/jhet.5570270750
- By:
- Publication type:
- Article
Synthèse de L'hydroxy-9 pyrimido[1,6- a]pyrimidine one-4 et dérivés.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1963, doi. 10.1002/jhet.5570270721
- By:
- Publication type:
- Article
Synthesis of 6-quinoxalinyldihydropyrazolo[1,5- a]pyrimidin-7-ones by a ring transformation. Tautomeric structure of dihydropyrazolo[1,5- a]pyrimidin-7-ones in a solution.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2203, doi. 10.1002/jhet.5570270761
- By:
- Publication type:
- Article
A convenient synthesis of 1-aryl-3-methyl-1,2,4-triazolin-5-ones from the reaction between acetone arylhydrazones and acetyl isocyanate.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2017, doi. 10.1002/jhet.5570270732
- By:
- Publication type:
- Article
Synthesis of the ( Z) and ( E) isomers of 1,2-diaryl-3-methyl-4,5-dioxo-3-pyrrolidinecarboxylic acid esters. Structural assignment by nmr and mass spectroscopy.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1857, doi. 10.1002/jhet.5570270703
- By:
- Publication type:
- Article
A facile and novel synthesis of 1,6-naphthyridin-2(1 H)-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2085, doi. 10.1002/jhet.5570270743
- By:
- Publication type:
- Article
Stereospecific cycloaddition of heterocumulenes to oxiranes catalyzed by organotin halide complexes.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1925, doi. 10.1002/jhet.5570270714
- By:
- Publication type:
- Article
1,3-dipolar cycloadditions of 2-diazobutane, diazophenylmethane and 1-diazo-1-phenylethane to azolopyridazines. The isolation of some primary and rearranged cycloadducts and their transformations into substituted pyrazolo[4,3- d]azolopyridazines.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2145, doi. 10.1002/jhet.5570270754
- By:
- Publication type:
- Article
1,3-Dipolar cycloaddition reactions of 1,4-benzoquinones with nitrilimines.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1983, doi. 10.1002/jhet.5570270725
- By:
- Publication type:
- Article
Ring-opening reaction in acidic conditions of tetraazapentalene derivatives containing a hypervalent sulfur.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2215, doi. 10.1002/jhet.5570270765
- By:
- Publication type:
- Article
Cyclopropyl-substituted pyrylium salts.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2041, doi. 10.1002/jhet.5570270736
- By:
- Publication type:
- Article
Synthesis and biological evaluation of 5-substituted-4-nitroimidazole ribonucleosides.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1877, doi. 10.1002/jhet.5570270707
- By:
- Publication type:
- Article
Functionalized 5,6-dihydro-2 H-1,2,6-thiadiazine 1,1-dioxides. Synthesis, structure and chemistry.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2107, doi. 10.1002/jhet.5570270747
- By:
- Publication type:
- Article
Etude des conditions D'accés aux 6,11-dihydro-5 H-pyrimidino[4,5- a]carbazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1947, doi. 10.1002/jhet.5570270718
- By:
- Publication type:
- Article
8-Hydroxylated derivatives of diazabicyclo[4.3.0]nonanes, 2,5-dioxodiazabicyclo[4.3.0]nonanes and some related esters.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2181, doi. 10.1002/jhet.5570270758
- By:
- Publication type:
- Article
Selective lateral metalation and electrophilic quenching of c-4 functionalized isoxazoles. IX. Direct formation of the C-N bond utilizing an electrophilic nitrogen source.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2001, doi. 10.1002/jhet.5570270729
- By:
- Publication type:
- Article
Methylation of 2,4-dihydro-3 H-1,2,4-triazol-3-ones. A structural determination of anhydro-5-aryl-1,4-dimethyl-3-hydroxy-1,2,4-triazolium hydroxides by two dimensional NMR.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1957, doi. 10.1002/jhet.5570270720
- By:
- Publication type:
- Article
A convenient synthesis of 1,2-diazepino[3,4- b]-quinoxalines via a 1,3-dipolar cycloaddition reaction and their tautomeric structure in a solution.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2197, doi. 10.1002/jhet.5570270760
- By:
- Publication type:
- Article
Synthesis of α-(aminomethylene)-9-(methoxymethyl)-9 H-purine-6-acetic acid derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2011, doi. 10.1002/jhet.5570270731
- By:
- Publication type:
- Article
Oxygen-17 and carbon-13 nuclear magnetic resonance spectra of thiophene- and pyrrole-2-carboxaldehyde condensation products prepared from ephedrine derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1853, doi. 10.1002/jhet.5570270702
- By:
- Publication type:
- Article
Synthesis and preliminary biological evaluation of 5-fluoro-5,8-dideazaisoaminopterin.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2081, doi. 10.1002/jhet.5570270742
- By:
- Publication type:
- Article
Synthèse, réduction chimique et électrochimique de benzopyranno[1][4,3- e] et [3,4- e]pyrimido[1,2- b]- as-triazinones.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1917, doi. 10.1002/jhet.5570270713
- By:
- Publication type:
- Article
An improved resolution of (±)- cis-N-normetazocine.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2139, doi. 10.1002/jhet.5570270753
- By:
- Publication type:
- Article
Protected 2-indoleacetaldehyde derivatives from 2-acylindoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1979, doi. 10.1002/jhet.5570270724
- By:
- Publication type:
- Article
A new heterocyclic structure. The.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2213, doi. 10.1002/jhet.5570270764
- By:
- Publication type:
- Article
Preparation of β-hydroxysulfides from 1,2,3-thiadiazoles. Comparison of the effect of phenylmagnesium bromide on α-Thio- and α-selenoketones.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2037, doi. 10.1002/jhet.5570270735
- By:
- Publication type:
- Article
The synthesis and transformations of 2 H-naphtho-[1,2- b]pyran-2-one derivatives. Naphtho[2′,1′:5,6]-pyrano[3,4- d][1,3]oxazines and naphtho[1′,2′:5,6]pyrano[3,4- d]-pyrimidines, derivatives of two new heterocyclic systems.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1873, doi. 10.1002/jhet.5570270706
- By:
- Publication type:
- Article
Synthesis of 5-trifluoromethyl-5,8-dideazafolic acid and 5-trifluoromethyl-5,8-dideazaisofolic acid.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2101, doi. 10.1002/jhet.5570270746
- By:
- Publication type:
- Article
An improved synthesis of 3,6-diamino-1,2,4,5-tetrazine. I.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1941, doi. 10.1002/jhet.5570270717
- By:
- Publication type:
- Article
Synthesis of substituted [1]benzothieno[2,3- b]pyrazines.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2175, doi. 10.1002/jhet.5570270757
- By:
- Publication type:
- Article
Formation of acetamido-Aza-steroids.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 1997, doi. 10.1002/jhet.5570270728
- By:
- Publication type:
- Article
Synthesis of diastereomeric ketoconazole analogs.
- Published in:
- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 7, p. 2063, doi. 10.1002/jhet.5570270739
- By:
- Publication type:
- Article