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Abstract
Graphical Abstract Section
Abstract
Synth. Commun. 2008, 38, 1003
FACILE ALLYLATION OF N‐BOC AND N‐CBZ IMINES WITH ALLYLTRICHLOROSILANE PROMOTED BY DMF
Pengcheng Wu1,2,3 and Jian Sun1
1Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
2Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
3Graduate School of Chinese Academy of Sciences, Beijing, China
Facile allylation of various N‐Boc and N‐Cbz imines with allyltrichlorosilane has been effected using DMF as the activator. The N‐Boc and N‐Cbz homoallylic amines were obtained in good to high yields under mild conditions.
Abstract
Synth. Commun. 2008, 38, 1011
EFFICIENT IRON‐CATALYZED SAKURAI–MICHAEL ADDITION OF ALLYLTRIMETHYLSILANE TO CHALCONES
Li‐Wen Xu,1,2 Ming‐Song Yang,1 Hua‐Yu Qiu,1 Guo‐Qiao Lai,1 and Jian‐Xiong Jiang1
1Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, P. R. China
2State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, and Graduate School of the Chinese Academy of Sciences, Lanzhou, P. R. China
Abstract
Synth. Commun. 2008, 38, 1020
SOLVENT‐FREE AEROBIC CHEMOSELECTIVE OXIDATION OF β‐IONONE CATALYZED BY N‐HYDROXYPHTHALIMIDE/CO(ACAC)2
Nian‐hua Gong, Rui‐Ren Tang, Ya‐ping Zhou, and Hai‐feng Xu
School of Chemistry and Chemical Engineering, Central South University, Changsha, China
β‐Ionone was oxidized with O2 under solvent‐free conditions catalyzed by N‐hydroxyphthalimide/Co(acac)2 system in mild conditions with high conversion and excellent selectivity to oxo‐β‐ionone or 5,6‐epoxy‐β‐ionone in different reaction conditions, respectively.
Abstract
Synth. Commun. 2008, 38, 1028
MICROWAVE‐ASSISTED SYNTHESIS OF AMIDE UNDER SOLVENT‐FREE CONDITIONS
Xiao‐Jian Wang, Qian Yang, Fei Liu, and Qi‐Dong You
Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing, China
Abstract
Synth. Commun. 2008, 38, 1036
OXONE‐MEDIATED OXIDATIVE 3‐ARYLTHIO SUBSTITUTION OF INDOLES
Guaili Wu, Jing Wu, Jialiang Wu, and Longmin Wu
State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu, China
Oxone‐mediated oxidative 3‐arylthio substitution of indoles with benzenethiols in methanol has been succeeded, giving 3‐arylthioindoles. Indoles bearing a 2‐methyl group particularly exhibited higher activities toward 3‐arylthio substitutions.
Abstract
Synth. Commun. 2008, 38, 1044
SOLVENT‐FREE SYNTHESIS OF 3‐AMINO‐2,4‐DICARBONITRILE‐5‐METHYLBIPHENYL BY A GRINDING METHOD
Liangce Rong,1,2 Hongxia Han,1 Hong Jiang,2 Daqing Shi,1,2 and Shujiang Tu1,2
1Department of Chemistry, Xuzhou Normal University, Xuzhou, China
2Key Laboratory of Biotechnology for Medical Plants of Jiangsu Province, Xuzhou, China
A convenient, environmentally friendly, and solvent‐free procedure has been developed for the synthesis of 3‐amino‐2,4‐dicarbonitrile‐5‐methylbiphenyl derivatives. Compared with the classical reaction condition, this new synthetic method has the advantages of excellent yields, easy setup, mild reaction conditions, and environmental friendliness.
Abstract
Synth. Commun. 2008, 38, 1051
ACRONYCINE ANALOG: NEW SELECTIVE SYNTHESIS OF 6‐METHOXY‐3,3‐DIMETHYL‐3H,7H‐PYRANO[2,3‐C]XANTHEN‐7‐ONE
B. Serge Kirkiacharian and Bernardin Akagah
Laboratory of Therapeutic Chemistry, Faculty of Pharmacy of Paris South, Chatenay‐Malabry Cedex, France
Abstract
Synth. Commun. 2008, 38, 1057
BASIC AL2O3 AS AN EFFICIENT HETEROGENEOUS REAGENT FOR THE SYNTHESIS OF SYMMERICAL DIALKYL TRITHIOCARBONATES
Ali Reza Kiasat,1 Foad Kazemi,2 and Ali Savari1
1Faculty of Sciences, Chemistry Department, College of Science, Shahid Chamran University, Ahvaz, Iran
2Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
This work deals with reaction of alkyl halides with carbon disulfide in the presence of basic alumina as heterogeneous and reusable reagent. It afforded symmetrical dialkyl trithiocarbonate in moderate to excellent isolated yields. Reaction of 1,2‐dichloro ethane with carbon disulfide also proceeded in a similar manner to give a five‐membered cyclic trithiocarbonate without formation of any polymeric by‐product.
Abstract
Synth. Commun. 2008, 38, 1064
WET CARBON‐BASED SOLID ACID/POTASSIUM BROMATE AS AN EFFICIENT HETEROGENEOUS REAGENT FOR OXIDATION OF ALCOHOLS UNDER MILD CONDITIONS
Abbas Zali and Arash Shokrolahi
Chemistry Department, Malek‐ashtar University of Technology, Shahin‐shahr, Iran
Abstract
Synth. Commun. 2008, 38, 1070
SYNTHESIS OF 3‐ARYL‐2‐BENZOYLBENZOFURAN DERIVATIVES USING MANGANESE (III) ACETATE MEDIATED ADDITION OF DIMEDON TO CHALCONE DERIVATIVES
Mustafa Ceylan and Esra Fındık
Faculty of Arts and Sciences, Department of Chemistry, Gaziosmanpasa University, Tokat, Turkiye
3‐Aryl‐2‐benzoylbenzofurans were synthesized by the reaction of α‐carboradical produced from dimedon by oxidazing with manganese (III) acetate in acetic acid and the chalcone derivatives.
Abstract
Synth. Commun. 2008, 38, 1078
DABCO‐CATALYZED EFFICIENT SYNTHESIS OF NAPHTHOPYRAN DERIVATIVES VIA ONE‐POT THREE‐COMPONENT CONDENSATION REACTION AT ROOM TEMPERATURE
Saeed Balalaie,1 Sorour Ramezanpour,1 Morteza Bararjanian,1 and Jürgen H. Gross2
1Peptide Chemistry Research Group, K. N. Toosi University of Technology, Tehran, Iran
2Institute of Organic Chemistry, University of Heidelberg, Heidelberg, Germany
Abstract
Synth. Commun. 2008, 38, 1090
RAPID SYNTHESIS OF 3‐AMINOIMIDAZO[1,2‐A]PYRIDINES AND PYRAZINES
Ahmad Shaabani, Ebrahim Soleimani, Ali Maleki, and Jafar Moghimi‐Rad
Department of Chemistry, Shahid Beheshti University, Tehran, Iran
Abstract
Synth. Commun. 2008, 38, 1096
SYNTHESIS OF PORPHYRINS‐ANTHRAQUINONES CONJUGATES AS PHOTOSENSITIZING AGENTS
Stefano Banfi,1 Enrico Caruso,1 Marzia Gariboldi,1 Stefano Alemani2, Gianluca Nasini2, and Ezio Bombardelli3
1Department of Structural and Functional Biology, University of Insubria, Varese, Italy
2CNR‐ICRM, Department of Chemistry, Materials and Chemical Engineering, Polytechnic of Milano, Milano, Italy
3Indena S.p.a., Milano, Italy
The synthesis of four novel 5,10,15,20‐tetraarylporphyrins featuring (O‐protected)emodin moiety, is reported. The phototoxicity of the new molecules has been assessed in vitro on the human colon adenocarcinoma cell line (HCT116) following irradiation with a 500 W halogen tungsten lamp.
Abstract
Synth. Commun. 2008, 38, 1110
CONVENIENT SYNTHESIS OF DIALKYL 1‐AZIDOALKYLPHOSPHONATES USING TETRAMETHYLGUANIDINIUM AZIDE AS AZIDATION AGENT
Roman Błaszczyk and Tadeusz Gajda
Institute of Organic Chemistry, Technical University of Lodz, Lodz, Poland
Abstract
Synth. Commun. 2008, 38, 1120
SOLVENT‐FREE PASSERINI REACTIONS
Dominik Koszelewski, Wiktor Szymanski, Joanna Krysiak, and Ryszard Ostaszewski
Institute of Organic Chemistry, Polish Academy of Sciences, Warsaw, Poland
Abstract
Synth. Commun. 2008, 38, 1128
NEW ONE‐POT PROCEDURE FOR THE SYNTHESIS OF 2‐SUBSTITUTED BENZIMIDAZOLES
Hashem Sharghi, Omid Asemani, and Reza Khalifeh
Department of Chemistry, Shiraz University, Shiraz, Iran
Abstract
Synth. Commun. 2008, 38, 1137
ATOM ECONOMIC AND HIGHLY SYN‐SELECTIVE PROLINAMIDE‐CATALYZED CROSS‐ALDOL ADDITION OF HYDROXYACETONE TO AROMATIC ALDEHYDES
Gaetano Angelici,1 Annamaria Falgiani,2 Gianluigi Luppi,1 Bernard Kaptein,2 Quirinus B. Broxterman,2 and Claudia Tomasini1
1Chemistry Department “G. Ciamician,” Alma Mater Studiorum University of Bologna, Bologna, Italy
2DSM Research, Pharmaceutical Products, Advanced Synthesis and Catalysis, Geleen, The Netherlands
