Graphical Abstracts

Abstract

Graphical Abstract Section

Abstract

Synth. Commun. 2006, 36, 1471

MICROWAVE AND ULTRASOUND IRRADIATION-ASSISTED SYNTHESIS OF NOVEL DISACCHARIDE-DERIVED ARYLSULFONYL THIOSEMICARBAZIDES

Y. X. Li, W. G. Zhao, Z. M. Li, S. H. Wang and W. L. Dong

State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, P. R. China

R₁=OAc, H; R₂=OAc, H; R₃=H, Cl, Br, F, CH₃; Reagents and conditions: (i) Pb(NCS)₂, toluene, reflux; (ii) p-R₃-Ph-SO₂NHNH₂, acetonitrile, ultrasonic, rt.

Abstract

Synth. Commun. 2006, 36, 1479

SIGNIFICANTLY ENHANCED REACTIVITIES OF THE NUCLEOPHILIC SUBSTITUTION REACTIONS INDUCED BY MICROWAVES IN IONIC LIQUID

Sheng‐Rong Guo and Yan‐Qin Yuan

Department of Chemistry, Lishui University, Lishui, China

The reaction rate of nucleophilic substitution can be dramatically enhanced by microwave irradiation using the ionic liquid [Bmim]BF₄ as a solvent. Nucleophilic reagents (anilines, thiophenol) react with ethoxymethylene isopropylidene malonate to give corresponding products in 5–10 min in good yields.

Abstract

Synth. Commun. 2006, 36, 1485

MICROWAVE‐ASSISTED ONE‐POT SYNTHESIS OF 1,2,3,4‐TETRAHYDROCARBAZOLES

Jing Chen and Yongzhou Hu

Zhejiang University, Department of Medicinal Chemistry, School of Pharmaceutical Science, Hangzhou, China

A series of 1,2,3,4‐tetrahydrocarbazoles 3a–m were synthesized by the reaction of substituted 2‐bromocyclohexanones 2a–c with appropriate anilines 1a–i under microwave irradiation without any other catalysts.

Abstract

Synth. Commun. 2006, 36, 1495

RAPID MICROWAVE‐PROMOTED BASE‐FREE SUZUKI COUPLING REACTION OF SODIUM TETRAPHENYLBORATE WITH HYPERVALENT IODONIUM COMPOUNDS IN WATER

Jie Yan,¹ Zhongshi Zhou,² and Min Zhu²

¹College of Chemical Engineering and Materials Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, China

²College of Biological and Environmental Sciences, Zhejiang Shuren University, Hangzhou, Zhejiang, China

The palladium chloride–catalyzed Suzuki coupling reaction of sodium tetraphenylborate with hypervalent iodonium salts and iodanes was achieved under microwave irradiation in water without base. A convenient and rapid method for formation of carbon–carbon bonds had excellent yields.

Abstract

Synth. Commun. 2006, 36, 1503

BRØNSTED ACIDIC IONIC LIQUID: AN EFFICIENT AND REUSABLE CATALYST FOR THE SYNTHESIS OF 3,4‐DIHYDROPYRIMIDIN‐2(1H)‐ONES

Renwei Zheng, Xiaoxia Wang, Hui Xu, and Jingxing Du

College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, P. R. China.

Abstract

Synth. Commun. 2006, 36, 1515

PRACTICAL AND PHASE TRANSFER–CATALYZED SYNTHESIS OF 6‐METHOXYTRYPTAMINE

Yun‐Yan Kuang, Jian Huang, and Fen‐Er Chen

Department of Chemistry, Fudan University, Shanghai, China

A convenient and cost‐effective synthesis of 6‐methoxytryptamine (5) via PTC N‐alkylation, PTC C‐alkylation, Japp–Klingemann reaction, hydrolysis, and decarboxylation, has been accomplished with a 44% overall yield.

Abstract

Synth. Commun. 2006, 36, 1521

HETERO DIELS–ALDER CYCLOADDITION OF INDENE FOR THE FORMAL SYNTHESIS OF ONYCHNINE

Bor‐Cherng Hong, Mahanandeesha Siddappa Hallur, and Ju‐Hsiou Liao

Department of Chemistry and Biochemistry, National Chung Cheng University, Chia‐Yi, Taiwan R.O.C.

Abstract

Synth. Commun. 2006, 36, 1529

ONE FACILE PREPARATION OF N‐AROYL‐N′‐ARYLSULFONYLHYDRAZINES BY OXIDATION OF AROMATIC ALDEHYDE N‐ARYLSULFONYLHYDRAZONES WITH BIS(TRIFLUOROACETOXY)IODOBENZENE

Zhenhua Shang, John Reiner, and Kang Zhao

College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, China

College of Pharmaceuticals and Biotechnology, Tianjin University, Tianjin, China

N‐Aroyl‐N′‐arylsulfonylhydrazines can be obtained by oxidation of aromatic aldehyde N‐arylsulfonylhydrazones with bis(trifluoroacetoxy)iodobenzene in acetone at room temperature in mild to good yields.

Abstract

Synth. Commun. 2006, 36, 1537

NEW SYNTHESIS OF 2H‐3, 1‐BENZOXAZINE DERIVATIVES: ZINC CHLORIDE CATALYZED CYCLOCONDENSATION OF 2‐AMINO‐5‐NITROBENZONITRILE WITH ALDEHYDES UNDER MICROWAVE CONDITIONS

Jia‐Rong Li, Shu‐Ling Ma, Yong‐Jiang Sun, Jian‐Min Zhao, and Zhi‐Ming Zhou

School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing, China

The cyclocondensation of 2‐amino‐5‐nitrobenzonitrile with aldehydes in the presence of catalyst under microwave irradiation conditions afforded a new and efficient synthesis of 2H‐3,1‐benzoxazine derivatives in good yields.

Abstract

Synth. Commun. 2006, 36, 1549

ONE‐POT AND CONVENIENT CONVERSION OF 5‐AZIDOPYRAZOLE‐4‐CARBOXALDEHYDE TO PYRAZOLO[3,4‐B]PYRIDINES

Airong Zheng, Wei Zhang, and Jinhui Pan

State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, China

Abstract

Synth. Commun. 2006, 36, 1557

SYNTHESIS AND X‐RAY ANALYSIS OF A NEW [6]HELICENE

Faouzi Aloui,¹ Riadh El Abed,¹ Taha Guerfel,² and Béchir Ben Hassine¹

¹Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (O1UR1201), Faculté des Sciences, Monastir, Tunisie

²Laboratoire de Chimie du Solide, Faculté des Sciences, Monastir, Tunisie

Abstract

Synth. Commun. 2006, 36, 1569

CONVENIENT METHOD FOR PREPARATION OF AZA‐CROWN ETHERS

Gabriela Blăniţă, Monica Bucşa, and Mircea Vlassa

Babeş‐Bolyai University, Faculty of Chemistry and Chemical Engineering, Cluj, Romania

A convenient method for the preparation of peraza crown ethers 1–7 in a one‐pot synthesis, in the presence of KF/Al₂O₃ is presented.

Abstract

Synth. Commun. 2006, 36, 1575

MICROWAVE‐ASSISTED SOLVENT‐FREE REGIOSPECIFIC SYNTHESIS OF 5‐ALKYLIDENE AND 5‐ARYLIDENEHYDANTOINS

Mustapha Lamiri,¹ Khalid Bougrin,¹ Boujemaa Daou,¹ Mohamed Soufiaoui,¹ Ernesto Nicolas,² and Ernest Giralt²

¹Laboratoire de Chimie des Plantes et de Synthèse Organique et Bio‐Organique, Université Mohammed V‐Agdal‐Faculté des Sciences, Rabat, Morocco

²Department of Organic Chemistry, Universitat de Barcelona, Barcelona, Spain

Abstract

Synth. Commun. 2006, 36, 1585

TRANSESTERIFICATION OF METHYLBENZOATE WITH ALCOHOLS CATALYZED BY NATURAL PHOSPHATE

Fathallaah Bazi, Hanane El Badaoui, Samira Sokori, Soumia Tamani, Mohamed Hamza, Saïd Boulaajaj, and Saïd Sebti

Laboratoire de Chimie Organique Catalyse et Environnement, Université Hassan II‐Mohammedia, Faculté des Sciences Ben M′Sik, Casablanca, Morocco

Transesterification of methylbenzoate with various alcohols was catalyzed by natural phosphate (NP) with or without solvent in heterogeneous media. The NP catalyst can be regenerated and reused without lost of activity.

Abstract

Synth. Commun. 2006, 36, 1593

REGIOSELECTIVE MONOACETYLATION OF METHYL PYRANOSIDES OF PENTOSES AND 6‐DEOXYHEXOSES BY ACETIC ANHYDRIDE IN THE PRESENCE OF MOCL₅

Evgeny V. Evtushenko

Pacific Institute of Bioorganic Chemistry, Far East Branch of the Russian Academy of Sciences, Vladivostok, Russia

Abstract

Synth. Commun. 2006, 36, 1601

UTILITY OF 1‐CHLORO‐3,4‐DIHYDRONAPHTHALENE‐2‐CARBOXALDEHYDE IN THE SYNTHESIS OF NOVEL HETEROCYCLES WITH PHARMACEUTICAL INTEREST

Samir Bondock, Wesam Khalifa, and Ahmed A. Fadda

Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt

Abstract

Synth. Commun. 2006, 36, 1613

SYNTHESIS OF CARBOXYLACTONES AND NEW HETEROCYCLIC COMPOUNDS

T. V. Kochikyan, M. A. Samvelyan, V. S. Haroutyunyan, and A. A. Avetissyan

Department of Organic Chemistry, Yerevan State University, Yerevan, Armenia

Abstract

Synth. Commun. 2006, 36, 1621

APPLICATION OF SULFINYL BIS(2,4‐DIHYDROXYTHIOBENZOYL) IN THE SYNTHESIS OF N‐SUBSTITUTED 2‐AMINO‐5‐(2,4‐DIHYDROXYPHENYL)‐1,3,4‐THIADIAZOLES

Joanna Matysiak and Andrzej Niewiadomy

Department of Chemistry, Agricultural University, Lublin, Poland

Abstract

Synth. Commun. 2006, 36, 1631

SYNTHESIS OF SOME C‐4 HYDROXYBENZO[C]PYRANS: A NEW APPROACH

Victor I. Hugo,¹ Tebogo Masenya,¹ and Ivan R. Green²

¹Department of Interdisciplinary Mathematics and Science Studies, Cape Peninsula University of Technology, Cape Town, Republic of South Africa

²Department of Chemistry, University of the Western Cape, Bellville, Republic of South Africa