个性化文献订阅>文章检索

文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共19条记录   A Novel and Convenient Synthesis of 'Reversed' Diamidino 2,5-Aryl- and 2,5-Azaheterocycle-Substituted Furans [作者：HU LAIXING; BOYKIN DAVID W,期刊：Synthesis, 页码：2143-2145 , 文章类型： Article，,卷期：2009年-13] A novel and convenient two-step synthesis of 'reversed' diamidino 2,5-aryl- and 2,5-azaheterocycle-substituted furans is described. The key step, a Stille cross-coupling reaction between N-(bromoaryl)arenecarboxamidines ... Efficient and General Preparation of Pyranostilbenes: First Total Synthesis of Artocarbene and Pawhuskin B [作者：PARK BYUNG HO; LEE YONG ROK; LYOO WON SEOK,期刊：Synthesis, 页码：2146-2154 , 文章类型： Article，,卷期：2009年-13] An efficient and general synthesis providing pyranostilbenes in moderate yields has been developed. It consists of the reaction of pinosylvin with the appropriate alpha,beta-unsaturated aldehyde catalyzed by ethylenediam... Mild Oxidation of Diarylacetylenes to 1,2-Diketones Using Oxone in Trifluoroacetic Acid [作者：CHU JEANHO; CHEN YENJU; WU MINGJUNG,期刊：Synthesis, 页码：2155-2162 , 文章类型： Article，,卷期：2009年-13] A variety of 1,2-diaryldiketones were synthesized in 15-90% yields by treatment of diarylacetylenes with Oxone as the oxidant in trifluoroacetic acid. Oxidation of 1-nitro-2-(phenylethynyl)benzene and 2,4'-(ethyne-1,2-di... One-Pot Microwave-Assisted Selective Azido Reduction/Tandem Cyclization in Condensed and Solid Phase with Nickel Boride [作者：SHANKARAIAH NAGULA; MARKANDEYA NAGULA; ESPINOZAMORAGA MARLENE; ARANCIBIA CLAUDIA; KAMAL AHMED; SANTOS LEONARDO SILVA,期刊：Synthesis, 页码：2163-2170 , 文章类型： Article，,卷期：2009年-13] An efficient and inexpensive method using microwave-assisted irradiation with Ni2B for the syntheses of aromatic amines, pyrrolobenzodiazepines as well as pyrroloquinazolinones was developed. This protocol was applied in... Pyrrolo[3,2,1-ij]quinolin-4-one and Pyrrolo[3,2,1-ij]quinolin-6-one [作者：MCNAB HAMISH; NELSON DAVID J; ROZGOWSKA EMMA J,期刊：Synthesis, 页码：2171-2174 , 文章类型： Article，,卷期：2009年-13] The parent pyrrolo[3,2,1-ij]quinolin-4-one and pyrrolo[3,2,1-ij]quinolin-6-one ring systems were made by pyrolysis of appropriate acrylates. In the first case, the cyclisation was effected by flash vacuum pyrolysis (FVP)... Practical Synthesis of 5-Substituted Tetrazoles under Microwave Irradiation [作者：ROH JAROSLAV; ARTAMONOVA TATJANA V; VAVROVA KATERINA; KOLDOBSKII GRIGORII I; HRABALEK ALEXANDR,期刊：Synthesis, 页码：2175-2178 , 文章类型： Article，,卷期：2009年-13] 5-Substituted tetrazoles were prepared by treatment of nitriles with sodium azide and triethylammonium chloride in nitrobenzene in a microwave reactor. This practical method combines the advantages of previous procedures... Synthesis of alpha-Aliphatic and beta-Aromatic Substituted Taurines via Regioselective Ring Opening of Thiiranes with Ammonia [作者：YU HAO; CAO SHENGLI; ZHANG LEILEI; LIU GANG; XU JAXI,期刊：Synthesis, 页码：2205-2209 , 文章类型： Article，,卷期：2009年-13] Thiiranes are important starting materials for the synthesis of substituted taurines. The regioselectivity of ring-opening reactions of thiiranes with ammonia in the presence of silver nitrate was investigated. The resul... A Simple Method for the Synthesis of 3-Arylthieno[2,3-b]pyridines via Iodine-Mediated Cyclization of 3-(1-Arylalkenyl)-2-[(1-phenylethyl)sulfanyl]pyridines [作者：KOBAYASHI KAZUHIRO; NAKAMURA DAIZO; SHIROYAMA YASUHIKO; FUKAMACHI SHUHEI; KONISHI HISATOSHI,期刊：Synthesis, 页码：2179-2183 , 文章类型： Article，,卷期：2009年-13] 3-Arylthieno[2,3-b]pyridines are synthesized in a short four-step sequence from readily available 2-bromopyridines. The final and key step of the reported method involves an iodine-mediated 5-endo cyclization of 3-(1-ary... Synthesis of Four Lysine-Linked Cereulide Analogues Showing Ionophoric Activity Towards Potassium Cations as Lead Compounds for Emetic Toxin-Detection by Immunoassays [作者：MAKARASEN ARTHIT; NISHIKAWA TOSHIO; ISOBE MINORU,期刊：Synthesis, 页码：2184-2204 , 文章类型： Article，,卷期：2009年-13] An improved total synthesis of the emetic toxin cereulide and the preparation of four lysine-linked cereulide analogues is described. The cereulide analogues are prepared by replacing one of the amino acid residues in ce... Stability of 5(6)-Carboxyfluorescein in Microwave-Assisted Synthesis of Fluorescein-Labelled O-Dimannosylated Peptides [作者：KOWALCZYK RENATA; HARRIS PAUL W R; DUNBAR ROD P; BRIMBLE MARGARET A,期刊：Synthesis, 页码：2210-2222 , 文章类型： Article，,卷期：2009年-13] Methodology for the efficient, automated and microwave-assisted Fmoc solid-phase synthesis of a 5(6)-carboxyfluorescein-labelled Lys(Dde)-Gly-Wang resin that can be further elongated through the lysine N-epsilon amino gr... The Catalytic Potential of 4-Guanidinylpyridines in Acylation Reactions [作者：HELD INGMAR; LARIONOV EVGENY; BOZLER CHRISTIAN; WAGNER FELICIA; ZIPSE HENDRIK,期刊：Synthesis, 页码：2267-2277 , 文章类型： Article，,卷期：2009年-13] A series of 3-alkyl-4-guanidinylpyridines with variable alkylation pattern have been synthesized and characterized with respect to their catalytic potential in acylation reactions of alcohols. The ability of the substitu... Diversity-Oriented Synthesis of Functionalized Diaryl Sulfones by Regioselective [3+3] Cyclizations of 1,3-Bis(siloxy)buta-1,3-dienes with 2-(Arylsulfonyl)-3-ethoxy-2-en-1-ones: Scope and Limitations [作者：SHKOOR MOHANAD; RIAHI ABDOLMAJID; FATUNSIN OLUMIDE; REINKE HELMUT; FISCHER CHRISTINE; LANGER PETER,期刊：Synthesis, 页码：2223-2235 , 文章类型： Article，,卷期：2009年-13] The formal [3+3] cyclization of 1,3-bis(siloxy)buta-1,3-dienes with 2-(arylsulfonyl)-3-ethoxy-2-en-1-ones, readily available by reaction of beta-keto sulfones with triethyl orthoformate, allows the synthesis of a variety... Synthesis of Functionalized Salicylates by Formal [3+3] Cyclocondensation of 1,3-Bis(silyloxy)buta-1,3-dienes with 3-Alkoxy-2-en-1-ones [作者：MROSS GERSON; LADZIK SIMONE; REINKE HELMUT; SPANNENBERG ANKE; FISCHER CHRISTINE; LANGER PETER,期刊：Synthesis, 页码：2236-2248 , 文章类型： Article，,卷期：2009年-13] The formal [3+3] cyclization of 1,3-bis(silyloxy)buta-1,3-dienes with 1-aryl-3-ethoxyprop-2-en-1-ones, available by Heck reaction of benzoyl chlorides with ethyl vinyl ether, afforded a variety of 6-arylsalicylates. The ... Synthetic Approach to Alkoxy-beta-(trifluoromethyl)styrenes and Their Application in the Synthesis of New Trifluoromethylated Heterocycles [作者：MUZALEVSKIY VASILIY M; NENAJDENKO VALENTINE G; SHASTIN ALEKSEY V; BALENKOVA ELIZABETH S; HAUFE GUENTER,期刊：Synthesis, 页码：2249-2259 , 文章类型： Article，,卷期：2009年-13] A new convenient stereoselective pathway to alkoxy-beta-(trifluoromethyl)styrenes is described. Reactions of beta-chloro- and beta-bromo-beta-(trifluoromethyl)styrenes with sodium methoxide and potassium tert-butoxide le... o-Benzenedisulfonimide as a Powerful and Recyclable Organocatalyst for the Nazarov Reaction [作者：BARBERO MARGHERITA; CADAMURO SILVANO; DEAGOSTINO ANNAMARIA; DUGHERA STEFANO; LARINI PAOLO; OCCHIATO ERNESTO G; PRANDI CRISTINA; TABASSO SILVIA; VULCANO ROSARIA; VENTURELLO PAOLO,期刊：Synthesis, 页码：2260-2266 , 文章类型： Article，,卷期：2009年-13] o-Benzenedisulfonimide has been used for the first time as a Bronsted acid catalyst to induce electrocyclization of dienones into cyclopentenones (Nazarov reaction). The catalyst has been used in various organic solvents... Iron(III) Chloride in Ethanol-Water: Highly Efficient Catalytic System for the Synthesis of Garcia Gonzalez Polyhydroxyalkyl- and C-Glycosylfurans [作者：NAGARAPU LINGAIAH; CHARY MAHANKHALI VENU; SATYENDER APURI; SUPRIYA B; BANTU RAJASHAKER,期刊：Synthesis, 页码：2278-2282 , 文章类型： Article，,卷期：2009年-13] An efficient method has been developed for the synthesis of Garcia Gonzalez polyhydroxyalkyl- and C-glycosylfurans in excellent yields from unprotected sugar aldoses with beta-keto esters by Knoevenagel condensation in t...