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Abstract
Synth. Commun. 2004, 34, 1551
An Efficient and Environmentally Friendly Method for Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐Ones Catalyzed by Bi(NO3)3 · 5H2O
M. M. Khodaei,* A. R. Khosropour,* and M. Beygzadeh
Department of Chemistry, Razi University, Kermanshah, Iran
Efficient and selective Biginelli reaction in the presence of Bi(NO3)3 · 5H2O is reported.
Abstract
Synth. Commun. 2004, 34, 1559
Simple Protocol for the Synthesis of 3,4‐Dihydropyrimidin‐2(1H)‐ones Using SnCl2 · 2H2O–LiCl as an Inexpensive Catalyst System
M. Shailaja, A. Manjula, B. Vittal Rao,* and Parvathi Neelakantan
Organic Division II, Indian Institute of Chemical Technology, Hyberabad, India
Abstract
Synth. Commun. 2004, 34, 1565
A novel, convenient synthesis of the 3‐O‐β‐D‐ and 4′‐O‐β‐D‐glucopyranosides of trans‐resveratrol
David A. Learmonth*
Laboratory of Chemical Research, Department of Research and Development, BIAL, S. Mamede do Coronado, Portugal
A novel, convenient synthesis of the 3‐O‐β‐D‐ and 4′‐O‐β‐D‐glucopyranosides (2 and 3, respectively) of trans‐resveratrol 1 based on a convergent Heck‐coupling strategy is described.
Abstract
Synth. Commun. 2004, 34, 1577
Bifunctionalized Allenes. VI. Synthesis of 3‐Sulfinylfuran‐2(5H)‐ones and 5H‐1,2‐Oxathiole‐3‐carboxylate 2‐Oxides by Bromination of 2‐Sulfinyl‐2,3‐alkadienoates
Valerij Ch. Christov* and Boris Prodanov
Department of Chemistry, University of Shoumen, Shoumen, Bulgaria
Abstract
Synth. Commun. 2004, 34, 1589
Improvements in Aldol Reactions with Diketopiperazines
Juan Francisco González, Elena de la Cuesta, and Carmen Avendaño*
Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, Madrid, Spain
Abstract
Synth. Commun. 2004, 34, 1599
A Highly Stereoselective Synthesis of 2,3,4,5‐Tetrasubstituted‐trans‐2,3‐Dihydrofurans
Weiguo Cao,*,1,2 Weiyu Ding,1 Jie Chen,1 Yali Chen,1 Qin Zang,1 and Guodong Chen1
1Department of Chemistry, Shanghai University, Shanghai, P.R. China
2State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Science, Shanghai, P.R.China
α,β‐Unsaturated sulfone 5 reacted with arsonium bromide 6 in the presence of sodium carbonate to give the product 2,3,4,5‐tetrasubstituted‐trans‐2,3‐dihydrofuran 7 and/or 8 with high stereoselectivity.
Abstract
Synth. Commun. 2004, 34, 1609
Synthesis of Monoimidazole/Polyamine Amides
Changjin Zhu, Yanfeng Jiang and Yufen Zhao
1Key Laboratory for Bioorganic Phosphorus Chemistry of Ministry of Education, Department of Chemistry, School of Life Science and Engineering, Tsinghua University, Beijing, China
2School of Chemical Engineering and Environment, Beijing Institute of Technology, Beijing, China
A facile and efficient route has been reported to selectively prepare a series of unsymmetrical monoimidazole/polyamine amides without protection process of the polyamines.
Abstract
Synth. Commun. 2004, 34, 1617
Synthesis of 4‐Oxo‐3a,4,5,6‐Tetrahydroimidazo[1,5‐b]Isoxazole‐3‐Carboxylic Acid Esters
Necdet Coşkun* and Bilal Yılmaz
Department of Chemistry, Uludağ University, Görükle Bursa, Turkey
Adducts 2 were prepared by the regioselective cycloaddition of 3‐imidazoline 3‐oxides with 3‐phenylpropinoic acid alkyl esters and oxidised to 4‐oxo‐3a,4,5,6‐tetrahydro‐imidazo[1,5‐b] isoxazoles using KMnO4–FeSO4.
Abstract
Synth. Commun. 2004, 34, 1625
Mild and Efficient Method for the Synthesis of Nitriles
Necdet Coşkun
Department of Chemistry, Uludağ University, Görükle Bursa, Turkey
Abstract
Synth. Commun. 2004, 34, 1631
Easy Access to Medium Rings by Entropy/Strain Reduction. V. A Simple and Mild Route to Cyclohepta‐1,3‐dienes
Louise A. Byrne, Patrick J. Furlong, and Declan G. Gilheany*
Chemistry Department, The Centre for Synthesis and Chemical Biology, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Ireland
Abstract
Synth. Commun. 2004, 34, 1645
An Efficient and Practical Procedure for Synthesis of 1,1‐Diacetates from Aldehydes Catalyzed by Zirconium Sulfate Tetrahydrate–Silica Gel
Tongshou Jin,* Guoliang Feng, Mina Yang, and Tongshuang Li
Department of Chemistry, College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. China
A facile and efficient procedure for synthesis of 1,1‐diacetates from aldehydes with acetic anhydrides was described using zirconium sulfate tetrahydrate–silica gel as catalyst in excellent yields under mild reaction conditions.
Abstract
Synth. Commun. 2004, 34, 1653
N‐Chlorosulfonyloxazolidin‐2‐ones: Synthesis, Structure, and Reactivity Toward Aminoesters
Malika Berredjem,1 Jean‐Yves Winum,2 Loic Toupet,3 Ouafae Masmoudi,1 Nour‐Eddine Aouf2 and Jean‐Louis Montero2
1Laboratoire de Chimie Bioorganique, Université d'Annaba, Annaba, Algérie
2Laboratoire de Chimie Biomoléculaire, UMR 5032, Université Montpellier II, ENSCM, Montpellier Cedex, France
cGroupe Matiére Condensée et Matériaux, UMR 6626, Université de Rennes I, Rennes Cedex, France
Synthesis, structure, and reactivity of chiral N‐chlorosulfonyloxazolidin‐2‐ones are described.
Abstract
Synth. Commun. 2004, 34, 1663
The Investigation of the Alkylation Reactions of Hydroxy and En‐Oximes with some Halohydrins and Epoxides
Sultan Kurbanlı, Nejdet Şen,* Ersin Güler, and Ahmet Koçak
Department of Chemistry, Faculty of Arts and Sciences, Selçuk University, Konya, Turkey
Suitable glycol ethers and halohydrine compounds were synthesized in good yield by the alkylation reactions of the oximes, having hydroxyl and double bond in its structure, with mono‐ and dihalohydrines in the medium of basic and solid‐liquid phase transfer catalyst.
Abstract
Synth. Commun. 2004, 34, 1677
CAN Catalyzed One‐Pot Synthesis of α‐Amino Phosphonates from Carbonyl Compounds
K. Ravinder, A. Vijender Reddy, P. Krishnaiah, G. Venkataramana, V. L. Niranjan Reddy, and Y. Venkateswarlu*
Natural Products Laboratory, Organic Chemistry Division‐I, Indian Institute of Chemical Technology, Hyderabad, India
Abstract
Synth. Commun. 2004, 34, 1685
Reductive Cleavage of S–S Bond by Zn/Alcl3 System: A Novel Method for the Synthesis of Sulfides from Alkyl Tosylates and Disulfides
Barahman Movassagh* and Amir Mossadegh
Department of Chemistry, K. N. Toosi University of Technology, Tehran, Iran
Alkyl and aryl disulfides are reduced by zinc powder in the presence of AlCl3 in aqueous media to yield zinc thiolates. This thiolate anion species then react with alkyl tosylates to give sulfides in high to excellent yields.
Abstract
Synth. Commun. 2004, 34, 1691
Synthesis of 2‐Oxo‐[1,2,4]triazolo[3,2‐d][1,5]benzoxazepines: A Kind of Novel Triazolo O,N‐Heterocycles
Zheng Li, Quanrui Wang,* and Fenggang Tao
Department of Chemistry, Fudan University, Shanghai, China
An efficient synthesis of 2‐oxo‐[1,2,4]triazolo[3,2‐d][1,5]benzoxazepines (7a–k) starting from chroman‐4‐ones (2a‐e) is reported. The x‐ray diffraction analysis for 7a is also performed.
Abstract
Synth. Commun. 2004, 34, 1703
Facile Total Syntheses of Idarubicinone‐7‐β‐D‐Glucuronide: Convenient Preparations of AB‐Ring Synthon Using Some Carboxylic Acid Derivatives
Young S. Rho,1 Jihyung Park,1 Gyuil Kim,1 Hyesun Kim,1 Hongsig Sin,1 Pyoung Won Suh,1 and Dong Jin Yoo2,*
1Department of Chemistry, Chonbuk National University, Chonju, Korea
2Department of Chemistry, Seonam University, Namwon, Korea
Total syntheses of idarubicinone‐7‐β‐D‐glucuronides (20 and 21) were carried out from AB‐ring synthons via several steps.
Abstract
Synth. Commun. 2004, 34, 1723
One Step of Palladium Catalyzed Benzodioxane Ring C–O Bond Formation, Synthesis of Isoamericanol A and Isoamericanin A
Xiaobi Jing,* Yaocheng Shi, Yonghong Liu, Ying Han, Chaoguo Yan, and Li Wang
College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
A number of benzodioxane compounds were synthesized using the palladium‐catalyzed etherification of aryl halides by employing triphenylphosphane ligands. This method was used as key step in the synthesis of two natural products isoamericanol A and isoamericanin A.
Abstract
Synth. Commun. 2004, 34, 1729
A Facile One‐Pot Synthesis of α‐Iodo‐α,β‐Unsaturated Esters
Xingguo Zhang, Ping Zhong, and Fan Chen
The School of Chemistry and Material Science, Wenzhou Normal College, Zhejiang, Wenzhou, P.R. China
R = 4‐Cl‐C6H4, 4‐Me‐C6H4, 4‐MeO‐C6H4, 4‐O2N‐C6H4, 3‐Br‐C6H4, 2,6‐Cl‐C6H3, C6H5, C6H5CH˭CH‐, 2‐furanyl, CH3CH˭CH‐
Abstract
Synth. Commun. 2004, 34, 1737
Carbon dioxide Promoted Palladium‐Catalyzed Cyclotrimerization of Alkynes in Water
Jinheng Li* and Yexiang Xie
Institute of Fine Catalysis and Synthesis, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, China
Abstract
Synth. Commun. 2004, 34, 1745
A Facile Preparation of Organyltellurophosphates
Jiang‐Min Chen1,3 and Xian Huang1,2,*
1Department of Chemistry, Zhejiang University (Campus Xixi), Hangzhou, P.R. China
2Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, P.R. China
3Department of Chemistry, Gannan Teachers' College, Ganzhou, P.R. China
Organyltellurophosphates can be synthesized smoothly via the free radical reaction of diorganyl phosphates with diorganyl ditellurides using (diacetoxyiodo)benzene and sodium azide in moderate to good yields.
