Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 6

Results: 33

Synthesis of 2-amino-2-deoxo-5-deazaflavins and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1537, doi. 10.1002/jhet.5570280611

By:

Aoyagi, Takeshi;
Yanada, Reiko;
Bessho, Kiyoshi;
Yoneda, Fumio;
Armarego, W. L. F.

Publication type:

Article

A new procedure for regioselective synthesis of 8,9-dichloro-2,3,4,5-tetrahydro-1 H-2-benzazepine (LY134046) and its 3-methyl analogue as inhibitors of phenylethanolamine N-methyltransferase (PNMT).

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1587, doi. 10.1002/jhet.5570280622

By:

Grunewald, Gary L.;
Paradkar, Vidyadhar M.;
Stillions, Duane M.;
Ching, Feei

Publication type:

Article

Oxidation of 1,3,4,6-tetrakis(alkylthio)thieno[3,4- c]-thiophenes with iodine in the presence of aniline.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1643, doi. 10.1002/jhet.5570280633

By:

Tsubouchi, Akira;
Kitamura, Chitoshi;
Matsumura, Noboru;
Inoue, Hiroo

Publication type:

Article

Substituent effects in the conversion of azido- and diazidotrinitrobenzenes to benzofuroxans and difuroxans.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1491, doi. 10.1002/jhet.5570280604

By:

Chaykovsky, Michael;
Adolph, Horst G.

Publication type:

Article

Synthesis and fluorescent properties of some heterobifunctional and rigidized 7-aminocoumarins.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1517, doi. 10.1002/jhet.5570280608

By:

Besson, T.;
Coudert, G.;
Guillaumet, G.

Publication type:

Article

Identification of some isomeric 3,5-unsymmetrically substituted 1-aroyl-pyrazole derivatives by NMR spectroscopy.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1497, doi. 10.1002/jhet.5570280605

By:

Mitkidou, Sophia;
Papadopoulos, Stelios;
Stephanidou-Stephanatou, Julia

Publication type:

Article

Stability of naturally occurring pyrazines and construction route of pyrazine rings.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1557, doi. 10.1002/jhet.5570280616

By:

Kurihara, Teruo;
Watanabe, Yutaka;
Takayama, Kouichi;
Ohta, Akihiro

Publication type:

Article

Synthesis of various 5-arylsubstituted cytosines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1613, doi. 10.1002/jhet.5570280626

By:

Peters, Dan;
Hörnfeldt, Anna-Britta;
Gronowitz, Salo

Publication type:

Article

Fused pyrimidines. 5. Methylated pyrimido[4,5- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1553, doi. 10.1002/jhet.5570280615

By:

Delia, Thomas J.;
Baumann, Markus

Publication type:

Article

A macrocyclic amide from dehydrochlorination of indole-3-carbonyl chloride.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1569, doi. 10.1002/jhet.5570280619

By:

Oliver, J. E.;
Waters, R. M.;
Lusby, W. R.;
Flippen-Anderson, J. L.

Publication type:

Article

A facile and practical preparation of 5,7-dihydroxy-3-(4-nitrophenyl)-4 H-1-benzopyran-4-one.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1641, doi. 10.1002/jhet.5570280632

By:

Liu, D. F.;
Cheng, C. C.

Publication type:

Article

Complete assignment of the 1H and 13C NMR Spectra of 11,12-Dimethoxy[1]benzothieno[3,2- a]-4,7-phenanthroline and its 8-Chloro Analogue: Concerted Use of Two-Dimensional NMR Techniques.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1533, doi. 10.1002/jhet.5570280610

By:

Musmar, M. J.;
Castle, Raymond N.

Publication type:

Article

Synthesis of 7-(alkenyl, cycloalkenyl, and 1,2,3,6-tetrahydro-4-pyridinyl)quinolones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1581, doi. 10.1002/jhet.5570280621

By:

Kiely, John S.;
Laborde, Edgardo;
Lesheski, Lawrence E.;
Bucsh, Ruth A.

Publication type:

Article

Reaction of lumichrome or 2-thiolumichrome with alkylamines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1485, doi. 10.1002/jhet.5570280603

By:

Ueda, Taisei;
Asahi, Masumi;
Nagai, Shin-Ichi;
Sakakibara, Jinsaku

Publication type:

Article

Side-chain chlorination of methylquinolines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1549, doi. 10.1002/jhet.5570280614

By:

Kóródi, Ferenc

Publication type:

Article

Bond-switch rearrangement of 3-oxo-Δ4-1,2,4-thiadiazolin-5-yl ureas.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1619, doi. 10.1002/jhet.5570280627

By:

L'Abbé, Gerrit;
Albrecht, Ernestine;
Toppet, Suzanne

Publication type:

Article

Antiinflammatory 1-phenylpyrazole-4-heteroarylalkanoic acids.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1607, doi. 10.1002/jhet.5570280625

By:

Goddard, Carl J.

Publication type:

Article

Ring transformations of 1,3,4-oxadiazol-2(3 H)-one derivatives into 1-amino and 1,3-diamino-2,4-imidazolidinedione (hydantoin) derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1511, doi. 10.1002/jhet.5570280607

By:

Milcent, René;
Barbier, Géo;
Yver, Béatrice;
Mazouz, Fathi

Publication type:

Article

Rearrangements of pyrrole and indole substituted enol esters of cyclohexane-1,3-dione.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1565, doi. 10.1002/jhet.5570280618

By:

Oliver, James E.;
Lusby, William R.;
Waters, Rolland M.

Publication type:

Article

Synthesis of 5-cyclopropyluracil and 5-cyclopropylcytosine by the Pd(0)-catalyzed coupling reaction.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1629, doi. 10.1002/jhet.5570280629

By:

Peters, Dan;
Hörnfeldt, Anna-Britta;
Gronowitz, Salo

Publication type:

Article

Synthesis of 1,3-benzodioxoles, 1,3-benzoxathioles and 1,3-benzodithioles from allenic derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1573, doi. 10.1002/jhet.5570280620

By:

Cabiddu, Salvatore;
Cadoni, Enzo;
Ciuffarin, Ennio;
Fattuoni, Claudia;
Floris, Costantino

Publication type:

Article

Formation of a 1,4,2,3-dithiadiazine via dimerization of a transient thione- S-imide (thiocarbonyl imine dipole).

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1637, doi. 10.1002/jhet.5570280631

By:

Potts, Kevin T.;
Baum, Jonathan S.

Publication type:

Article

A photochemical synthesis of 3-aryl-1-methylquinolinones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1481, doi. 10.1002/jhet.5570280602

By:

Meng, Ji-Ben;
Shen, Mei-Qen;
Wang, Xiao-Hong;
Kao, Chen-Heng;
Wang, Ru-Ji;
Wang, Hong-Gen;
Matsuura, Teruo

Publication type:

Article

Synthesis of 5-chloropyrazoles by chlorodediazoniation with sulfur dioxide.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1545, doi. 10.1002/jhet.5570280613

By:

Yamamoto, Susumu;
Morimoto, Katsushi;
Sato, Toshiaki

Publication type:

Article

On triazoles. XXV.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1597, doi. 10.1002/jhet.5570280624

By:

Barkóczy, József;
Reiter, József

Publication type:

Article

Substituted γ-lactones:.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1501, doi. 10.1002/jhet.5570280606

By:

Zimmer, Hans;
Amer, Adel;
Ho, Douglas;
Palmer-Sungail, R.

Publication type:

Article

Medium-sized heterocycles: Synthesis of a 2,10-Bis(alkoxycarbonyl)-substituted 6-Oxo-12 H-dibenzo[ d,g][1,3,2]dioxaphosphocin.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1561, doi. 10.1002/jhet.5570280617

By:

Pastor, Stephen D.;
Spivack, John D.

Publication type:

Article

A regiospecific synthesis of 8-Methoxy-1,2,3,4,5,6-hexahydro-1,6-methano-3-benzazocines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1625, doi. 10.1002/jhet.5570280628

By:

Mazzocchi, P. H.;
Kordoski, E. W.;
Harrison, A. M.

Publication type:

Article

Synthesis of 3-disubstituted 3 H-4,1,2-benzothiadiazines and 3-disubstituted 3H-4,1,2-benzothiadiazine 4,4-dioxides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1633, doi. 10.1002/jhet.5570280630

By:

Balbi, A.;
Mazzei, M.;
Sottofattori, E.

Publication type:

Article

Furopyridines. XI.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1469, doi. 10.1002/jhet.5570280601

By:

Shiotani, Shunsaku;
Morita, Hiroyuki

Publication type:

Article

Action of (2-benzothiazolyl) methyllithium with organic polar functions.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1541, doi. 10.1002/jhet.5570280612

By:

Costa, Maria Virginia;
Brembilla, Alain;
Roizard, Denis;
Lochon, Pierre

Publication type:

Article

Chemistry of thienopyridines. XL. Reactions of 7-acetyl-4-(1-carboethoxy-1-cyano)methylene-4,7-dihydrothieno-[2,3- b]pyridine. Part 3: Kinetics of hydrolysis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1593, doi. 10.1002/jhet.5570280623

By:

Klemm, L. H.;
Lu, Jennifer J.

Publication type:

Article

Simple synthetic routes to 5-(3,6-dihydro-2-oxo-2 H-1,3,4-thiadiazin-5-yl)-1 H-indole-2,3-diones and their Derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 6, p. 1525, doi. 10.1002/jhet.5570280609

By:

Delimoge, Isabelle;
Morvan, Marcel;
Nadler, Guy;
Zimmermann, Richard G.

Publication type:

Article

Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 6

Synthesis of 2-amino-2-deoxo-5-deazaflavins and related compounds.

A new procedure for regioselective synthesis of 8,9-dichloro-2,3,4,5-tetrahydro-1 H-2-benzazepine (LY134046) and its 3-methyl analogue as inhibitors of phenylethanolamine N-methyltransferase (PNMT).

Oxidation of 1,3,4,6-tetrakis(alkylthio)thieno[3,4- c]-thiophenes with iodine in the presence of aniline.

Substituent effects in the conversion of azido- and diazidotrinitrobenzenes to benzofuroxans and difuroxans.

Synthesis and fluorescent properties of some heterobifunctional and rigidized 7-aminocoumarins.

Identification of some isomeric 3,5-unsymmetrically substituted 1-aroyl-pyrazole derivatives by NMR spectroscopy.

Stability of naturally occurring pyrazines and construction route of pyrazine rings.

Synthesis of various 5-arylsubstituted cytosines.

Fused pyrimidines. 5. Methylated pyrimido[4,5- d]pyrimidines.

A macrocyclic amide from dehydrochlorination of indole-3-carbonyl chloride.

A facile and practical preparation of 5,7-dihydroxy-3-(4-nitrophenyl)-4 H-1-benzopyran-4-one.

Complete assignment of the <sup>1</sup>H and <sup>13</sup>C NMR Spectra of 11,12-Dimethoxy[1]benzothieno[3,2- a]-4,7-phenanthroline and its 8-Chloro Analogue: Concerted Use of Two-Dimensional NMR Techniques.

Synthesis of 7-(alkenyl, cycloalkenyl, and 1,2,3,6-tetrahydro-4-pyridinyl)quinolones.

Reaction of lumichrome or 2-thiolumichrome with alkylamines.

Side-chain chlorination of methylquinolines.

Bond-switch rearrangement of 3-oxo-Δ<sup>4</sup>-1,2,4-thiadiazolin-5-yl ureas.

Antiinflammatory 1-phenylpyrazole-4-heteroarylalkanoic acids.

Ring transformations of 1,3,4-oxadiazol-2(3 H)-one derivatives into 1-amino and 1,3-diamino-2,4-imidazolidinedione (hydantoin) derivatives.

Rearrangements of pyrrole and indole substituted enol esters of cyclohexane-1,3-dione.

Synthesis of 5-cyclopropyluracil and 5-cyclopropylcytosine by the Pd(0)-catalyzed coupling reaction.

Synthesis of 1,3-benzodioxoles, 1,3-benzoxathioles and 1,3-benzodithioles from allenic derivatives.

Formation of a 1,4,2,3-dithiadiazine via dimerization of a transient thione- S-imide (thiocarbonyl imine dipole).

A photochemical synthesis of 3-aryl-1-methylquinolinones.

Synthesis of 5-chloropyrazoles by chlorodediazoniation with sulfur dioxide.

On triazoles. XXV.

Substituted γ-lactones:.

Medium-sized heterocycles: Synthesis of a 2,10-Bis(alkoxycarbonyl)-substituted 6-Oxo-12 H-dibenzo[ d,g][1,3,2]dioxaphosphocin.

A regiospecific synthesis of 8-Methoxy-1,2,3,4,5,6-hexahydro-1,6-methano-3-benzazocines.

Synthesis of 3-disubstituted 3 H-4,1,2-benzothiadiazines and 3-disubstituted 3H-4,1,2-benzothiadiazine 4,4-dioxides.

Furopyridines. XI.

Action of (2-benzothiazolyl) methyllithium with organic polar functions.

Chemistry of thienopyridines. XL. Reactions of 7-acetyl-4-(1-carboethoxy-1-cyano)methylene-4,7-dihydrothieno-[2,3- b]pyridine. Part 3: Kinetics of hydrolysis.

Simple synthetic routes to 5-(3,6-dihydro-2-oxo-2 H-1,3,4-thiadiazin-5-yl)-1 H-indole-2,3-diones and their Derivatives.