Graphical Abstracts

Abstract

Graphical Abstract Section

Abstract

Synth. Commun. 2007, 37, 1053

ONE-POT SYNTHESIS OF 3,5-DISUBSTITUTED PYRIDIN-2-ONES BY ANNULATION OF β-KETO-AMIDES WITH 2-DIMETHYLAMINOMETHYLENE-1,3-BIS(DIMETHYLIMONIO)PROPANE DIPERCHLORATE

Gmiza Thouraya, Khiari Jameleddine, Hadj Ayed Med Adnen, and Ben Hassine Béchir

Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène, Faculté des Sciences de Monastir, Tunisia

Abstract

Synth. Commun. 2007, 37, 1059

DIAMMONIUM HYDROGEN PHOSPHATE AS A NEUTRAL AND EFFICIENT CATALYST FOR SYNTHESIS OF 1, 8-DIOXO-OCTAHYDROXANTHENE DERIVATIVES IN AQUEOUS MEDIA

Fatemeh Darviche¹, Saeed Balalaie¹, Fatemeh Chadegani¹, and Peyman Salehi²

¹Department of Chemistry, K. N. Toosi University of Technology, Tehran, Iran

²Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran, Iran

Abstract

Synth. Commun. 2007, 37, 1067

HIGHLY ENANTIOSELECTIVE HYDROGENATION OF β-ALKYL AND β-(ω-CHLOROALKYL) SUBSTITUTED β-KETO ESTERS

Iyad Karamé,¹ Esen Bellur,³ Sven Rotzoll,^1,2 Peter Langer,^1,2 Christine Fischer,¹ Jens Holz,¹ and Armin Börner^1,2

¹Leibniz-Institut für Katalyse an der Universität Rostock e.V., Rostock, Germany

²Institut für Chemie, Universität Rostock, Rostock, Germany

³Institut für Biochemie, Universität Greifswald, Greifswald, Germany

Abstract

Synth. Commun. 2007, 37, 1077

NEW STRAIGHTFORWARD SYNTHESIS OF β-DAMASCENONE AND β-DAMASCONE DERIVATIVES FROM β-IONONE VIA RETRO-α-IONOL

M. Campagnole and B. Delmond

Laboratoire de Chimie des Substances Végétales, Université Bordeaux, Talence Cedex, France

Abstract

Synth. Commun. 2007, 37, 1091

MOLYBDATOPHOSPHORIC ACID/NaNO₂/WET SiO₂ AS AN EFFICIENT SYSTEM FOR THE AROMATIZATION OF 1,2-DIHYDROQUINOLINES UNDER MILD AND HETEROGENEOUS CONDITIONS

Khodabakhsh Niknam,¹ Bahador Karami,² Saghar Molazadeh,³ and Azar Pourkhosro³

¹Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr, Iran

²Department of Chemistry, Yasouj University, Yasouj, Iran

³Islamic Azad University, Gachsaran Branch, Gachsaran, Iran

Abstract

Synth. Commun. 2007, 37, 1097

DIAMMONIUM HYDROGEN PHOSPHATE: AN EFFICIENT AND VERSATILE CATALYST FOR THE ONE-POT SYNTHESIS OF TETRAHYDROBENZO[B]PYRAN DERIVATIVES IN AQUEOUS MEDIA

Saeed Balalaie,¹ Morteza Bararjanian,¹ Shohreh Hekmat,² Masoumeh Sheikh-Ahmadi,¹ and Peyman Salehi³

¹Department of Chemistry, K. N. Toosi University of Technology, Tehran, Iran

²Department of Chemistry, Islamic Azad University, North Tehran Branch, Iran

³Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran, Iran

Abstract

Synth. Commun. 2007, 37, 1109

SCOPE AND APPLICABILITY OF AN EXPEDIENT SYNTHESIS LEADING TO POLYSUBSTITUTED 3-(CARBOXYPHENYL)PYRROLES

Thomas Ullrich,¹ Michael Ghobrial,¹ Klaus Weigand,¹ and Andreas L. Marzinzik²

¹Global Discovery Chemistry, Novartis Institutes for Biomedical Research, Vienna, Austria

²Global Discovery Chemistry, Novartis Institutes for Biomedical Research, Basel, Switzerland

A convenient three-step route and a novel ring closure protocol based on the Feist-Benary condensation toward a functionalized pyrrole building block are presented.

Abstract

Synth. Commun. 2007, 37, 1121

SOLVENT-FREE CHEMOSELECTIVE SYNTHESIS OF 1,1-DIACETATES CATALYZED BY Cu(NO₃)₂ · 3H₂O

Majid M. Heravi, Khadijeh Bakhtiari, Maryam H. Tehrani, and Hossein A. Oskooie

Department of Chemistry, School of Sciences, Azzahra University, Vanak, Tehran, Iran

1,1-Diacetates have been synthesized by the reaction of a variety of aldehydes with acetic anhydride in the presence of cupric nitrated as catalyst under solvent-free conditions. Ketones were not converted to the corresponding diacetates under these conditions.

Abstract

Synth. Commun. 2007, 37, 1127

K₅COW₁₂O₄₀ · 3H₂O: HETEROGENEOUS CATALYST FOR THE STRECKER-TYPE AMINATIVE CYANATION OF ALDEHYDES AND KETONES

Ezzat Rafiee¹ and Alireza Azad²

¹Department of Chemistry, Faculty of Science, Razi University, Kermanshah, Iran

²Kermanshah Oil Refining Company, Kermanshah, Iran

α-Aminonitriles were prepared in high to excellent yields and short reaction times in the presence of K ₅ CoW₁₂O₄₀·3H₂O, an environmentally friendly, inexpensive, and reusable catalyst.

Abstract

Synth. Commun. 2007, 37, 1133

NEW APPROACH TO 3-AMINOTHIOPHENE-2-CARBOXYLIC ACID DERIVATIVES: ACCESS TO 5-ARYL-4-(ETHYLSULFANYL) COMPOUNDS

Frédéric Lassagne,¹ Francis Pochat,¹ and Sourisak Sinbandhit²

¹Laboratoire de Chimie Organique, Université de Rennes 1, Rennes, France

²Centre Régional de Mesures Physiques de l'Ouest, Université de Rennes 1, Rennes, France

Abstract

Synth. Commun. 2007, 37, 1141

IMPROVEMENT OF THE ASYMMETRIC INDUCTION FROM LACTIC ACID DERIVATIVES ENHANCED BY ZNCL₂

Stefan H. Hüttenhain

Hochschule Darmstadt, Fachbereich Chemie und Biotechnologie, Darmstadt, Germany

Lewis acid–mediated close interaction between solvent and ketone leads to ee values up to 60%.

Abstract

Synth. Commun. 2007, 37, 1147

1,2-ADDITION OF α,α,α-TRICHLOROTOLUENE TO KETONES VIA A MG BARBIER REACTION IN DMF: NEW ROUTE TO CYCLOALK-1-EN-1-YL AND ALK-1-EN-1-YL PHENYL KETONES

A. Aaziz, S. Oudeyer, E. Léonel, J. P. Paugam, and J.-Y. Nédélec

Laboratoire d'Electrochimie, Catalyse et Synthèse Organique, CNRS–Université Paris XII, Thiais, France

Enolisable ketone: cyclohexanone, 4-tert-butylcyclohexanone, cyclopentanone, cycloheptanone, cyclooctanone, diethyl ketone, acetophenone, ethyl phenyl ketone.

Abstract

Synth. Commun. 2007, 37, 1155

O-ALKYLATION OF PYRIDINE ALDO- AND KETOXIMES WITH DIHALOHYDRINS UNDER PHASE-TRANSFER CONDITIONS

Sultan Kurbanli, Ahmet Koçak, and Sait Malkondu

Department of Chemistry, Faculty of Sciences and Arts, Selçuk University, Konya, Turkey

R=2,3,4-pyridyl; R₁=H, CH₃; R₂=i-propyl, i-butyl, t-butyl, morpholyl, piperidyl. i) C₆H₆, 10% NaOH, catalyst; ii) NaOH, ether; iii) amines, ethanol.

Abstract

Synth. Commun. 2007, 37, 1167

OLIGOTHIOPHENES II: SYNTHESIS AND STABILITY OF 5‐METHYLENETHIOHEN‐2(5H)‐ONES

Harald Halvorsen,¹ Håkon Hope,² and Jan Skramstad¹

¹Department of Chemistry, University of Oslo, Blindern, Oslo, Norway

²Department of Chemistry, University of California, Davis, California, USA

Abstract

Synth. Commun. 2007, 37, 1179

OLIGOTHIOPHENES III: SYNTHESIS OF TETRA‐THIENYL‐SUBSTITUTED ETHYLENES INCLUDING AN ABNORMAL MCMURRY COUPLING RESULT

Harald Halvorsen,¹ Jan Skramstad¹, and Håkon Hope²

¹Department of Chemistry, University of Oslo, Oslo, Norway

²Department of Chemistry, University of California, California, USA

Abstract

Synth. Commun. 2007, 37, 1189

SYNTHESIS OF FUNCTIONALIZED 1-AZADIENES BY REACTION OF 2,6-DIMETHYLPHENYL ISOCYANIDE AND ACETYLENIC ESTERS IN THE PRESENCE OF CH ACIDS

Issa Yavari and Elham Karimi

Department of Chemistry, Tarbiat Modarres University, Tehran, Iran

Abstract

Synth. Commun. 2007, 37, 1195

EFFICIENT SYNTHESIS OF TRIALKYL (E)-3-{3-OXO-2-3,4-DIHYDRO-2-(1H)-QUINOXALINYLIDENE}-PROP-1-ENE-1,2,3-TRICARBOXYLATES

Issa Yavari, Anvar Mirzaei, Loghman Moradi, and Ako Mokhtarporiani-Sanandej

Chemistry Department, Tarbiat Modares University, Tehran, Iran

Abstract

Synth. Commun. 2007, 37, 1201

SILICA SULFURIC ACID: AN EFFICIENT AND VERSATILE ACIDIC CATALYST FOR THE RAPID AND ECOFRIENDLY SYNTHESIS OF 1,3,4-OXADIAZOLES AT AMBIENT TEMPERATURE

Minoo Dabiri,¹ Peyman Salehi,² Mostafa Baghbanzadeh,¹ Mohammad Ali Zolfigol,³ and Mahboobeh Bahramnejad³

¹Department of Chemistry, Faculty of Science, Shahid Beheshti University, Evin, Tehran, Iran

²Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran, Iran

³Department of Chemistry, Faculty of Science, Bu-Ali Sina University, Hamadan, Iran

2,5-Disubstituted 1,3,4-oxadiazoles were prepared by the reaction of different acyl hydrazides and orthoesters in the presence of silica sulfuric acid under solvent-free conditions.

Abstract

Synth. Commun. 2007, 37, 1211

SYNTHESIS OF 4-(INDOL-1-YL)BUTANALS VIA RHODIUM-CATALYZED HYDROFORMYLATION OF 1-ALLYLINDOLES

Giuditta Guazzeli,¹ Roberta Settambolo,² and Raffello Lazzaroni¹

¹Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Pisa, Italy

²ICCOM-CNR, Dipartimento di Chimica e Chimica Industriale, Università di Psia, Pisa, Italy