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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66条记录   OBSERVATION OF 2,7-DISUBSTITUTION IN PALLADIUM CATALYSED DIRECTED C-H ACTIVATION OF INDOLES [作者：FANTON GUILIA; COLES NICOLA M; COWLEY ANDREW R; FLEMMING JONATHAN P; BROWN JOHN M,期刊：Heterocycles, 页码：895-901 , 文章类型： Article，,卷期：2010年80-2] In previous work, controlled C-H activation and catalytic Heck reaction at the 2-position of indole was demonstrated. This was achieved by means of a N-(2-pyridylmethyl) directing group. In the course of extending the in... SYNTHETIC STUDIES TOWARD ANTITUMOR SESQUITERPENOID QUADRONE [作者：ISHIHATA AKIHIRO; SAEKI MEGUMI; WATANABE MASARU; IHARA MASATAKA; TOYOTA MASAHIRO,期刊：Heterocycles, 页码：903-907 , 文章类型： Article，,卷期：2010年80-2] A palladium-catalyzed cycloalkenylation and an acid-promoted intramolecular Michael reaction were utilized as the key steps in a synthetic approach to sesquiterpene quadrone 1. This route capitalizes upon the ability of ... CATALYTIC ASYMMETRIC 1,3-DIPOLAR CYCLOADDITION OF AZOMETHINE IMINES TO ALLYL ALCOHOL UTILIZING TARTARIC ACID ESTER AS A CHIRAL AUXILIARY [作者：TANAKA KATSUYOSHI; KATO TOMOMITSU; UKAJI YUTAKA; INOMATA KATSUHIKO,期刊：Heterocycles, 页码：887-893 , 文章类型： Article，,卷期：2010年80-2] The catalytic regio- and enantioselective 1,3-dipolar cycloaddition of azomethine imines to allyl alcohol was achieved by utilizing diisopropyl (R,R)-tartrate as a chiral auxiliary to afford the corresponding optically a... SYNTHESIS AND pi-AMPHOTERIC PROPERTIES OF TRIS(TETRATHIAFULVALENO)HEXADEHYDRO[12]ANNULENE [作者：HARA KENJI; HASEGAWA MASASHI; KUWATANI YOSHIYUKI; ENOZAWA HIDEO; IYODA MASAHIKO,期刊：Heterocycles, 页码：909-915 , 文章类型： Article，,卷期：2010年80-2] The Sonogashira coupling reaction of the diiodide 6 of 1,2-[4,5-bis(butylthio)tetrathiafulvalenyl]ethyne with 4,5-bis(ethynyl)-4',5'-bis(butylthio)tetrathiafulvanene 5 produced the corresponding tris(tetrathiafulvaleno)h... SYNTHESIS OF SUBSTITUTED ISOQUINOLINES VIA NICKEL-CATALYZED [2+2+2] CYCLOADDITION OF ALKYNES AND 3,4-PYRIDYNES [作者：IWAYAMA TOSHIHIKO; SATO YOSHIHIRO,期刊：Heterocycles, 页码：917-924 , 文章类型： Article，,卷期：2010年80-2] A novel methodology for the synthesis of substituted isoquinolines via a nickel(0)-catalyzed [2+2+2] cycloaddition of 3,4-pyridynes with two molecules of alkyne has been established. In this reaction, it was found that 2... WATER-SOLUBLE PALLADIUM AND GOLD NANOPARTICLES FUNCTIONALIZED BY A NEW PHOSPHINE WITH ZWITTERIONIC LIQUID BASED ON IMIDAZOLIUM SULFONATE LINKED ETHYLENE GLYCOL MOIETY [作者：AKIYAMA TAICHI; IBATA CHIHARU; FUJIHARA HISASHI,期刊：Heterocycles, 页码：925-931 , 文章类型： Article，,卷期：2010年80-2] A new phosphine with zwitterionic liquid based on imidazolium sulfonate linked ethylene glycol moiety (1) as a protective ligand for metal nanoparticles has been prepared. Its phosphine 1-stabilized palladium and gold na... HELICAL CHIRALITY CONTROL OF TROPOS SANDWICH-SHAPED L2M3 COMPLEXES WITH C-3-SYMMETRIC TRIS(DIPHENYLPHOSPHINOPHENYL)BENZENE LIGAND [作者：WAKABAYASHI KAZUKI; MIKAMI KOICHI,期刊：Heterocycles, 页码：933-939 , 文章类型： Article，,卷期：2010年80-2] The L2M3 complexes with tropos C-3-symmetric ligands interconvert rapidly between the chiral propeller (P)- and (M)-helicity of the sandwich-shaped L2M3 complexes at room temperature and are chirally controlled to adopt ... SYNTHESIS OF 6-HYDROXYMETHYLPTERIN alpha- AND beta-D-GLUCOSIDES [作者：HANAYA TADASHI; BABA HIROKI; EJIRI KAZUMASA; YAMAMOTO HIROSHI,期刊：Heterocycles, 页码：1013-1025 , 文章类型： Article，,卷期：2010年80-2] The key precursor, N-2-(N,N-dimethylaminomethylene)-6-hydroxymethyl-3-[2-(4-nitrophenyl)et hyl]pterin (11) was efficiently prepared from 2,5,6-triamino-4-hydroxypyrimidine (8) in 5 steps. The first, unequivocal synthesis... A SIMPLE AND CONVENIENT HIGH YIELDING SYNTHESIS OF SUBSTITUTED ISOINDOLINES [作者：SMITH KEITH; ELHITI GAMAL A; HEGAZY AMANY S; FEKRI AHMED,期刊：Heterocycles, 页码：941-956 , 文章类型： Article，,卷期：2010年80-2] Trifluoroacetic anhydride-induced dehydration of substituted 2-(pivaloylaminomethyl)phenyl- and 2-(dimethylaminocarbonylmethyl)phenyl-methanols gives the corresponding isoindolines in excellent yields when there are aryl... SYNTHESIS OF POLYAZAMACROCYCLES COMPRISING 6,6 '-DIAMINO-2,2 '-BIPYRIDINE MOIETIES VIA Pd-CATALYZED AMINATION [作者：AVERIN ALEXEI D; UGLOV ALEXEI N; BURYAK ALEXEI K; BESSMERTNYKH ALLA G; GUILARD ROGER; BEETSKAYA IRINA P,期刊：Heterocycles, 页码：957-975 , 文章类型： Article，,卷期：2010年80-2] Pd-catalyzed amination of 6,6'-dibromo-2,2'-bipyridine with a variety of di-, tri-, tetraamines and oxadiamines was carried out for the synthesis of a new class of polyazamacrocycles comprising a 6,6'-diamino-2,2'-bipyri... UTILIZATION OF THE SUZUKI COUPLING TO ENHANCE THE ANTITUBERCULOSIS ACTIVITY OF ARYLOXAZOLES [作者：MORASKI GARRETT C; FRANZBLAU SCOTT G; MILLER MARVIN J,期刊：Heterocycles, 页码：977-988 , 文章类型： Article，,卷期：2010年80-2] Potent antituberculosis aryl oxazoles can be made in an efficient three step process-formation of beta-hydroxy amides with serine benzyl ester; cyclization to afford oxazolines; and then dehydration to give the correspon... DESIGN OF REACTION MEDIA FOR NUCLEOPHILIC SUBSTITUTION REACTIONS BY USING A CATALYTIC AMOUNT OF AN AMPHIPHILIC IMIDAZOLIUM SALT IN WATER [作者：ASANO KEISUKE; MATSUBARA SEIJIRO,期刊：Heterocycles, 页码：989-1002 , 文章类型： Article，,卷期：2010年80-2] Molecules of an amphiphilic imidazolium salt assemble in water to form a hydrophobic membrane including an interface consisting of ammonium species. Such an interface works as a reaction medium like an ionic liquid. We u... SYNTHESIS OF (+/-)-HELIANNUOL D BASED ON PLATINUM CATALYZED REGIOSELECTIVE ADDITION OF ARYLBORONIC ACIDS TO ALLENES [作者：OSAKA MAYU; KANEMATSU MAKOTO; YOSHIDA MASAHIRO; SHISHIDO KOZO,期刊：Heterocycles, 页码：1003-1012 , 文章类型： Article，,卷期：2010年80-2] An alternative total synthesis of (+/-)-heliannuol D has been achieved in 13 steps and 6.9% overall yield from the arylboronic acid 9. The synthesis applies the previously developed regiocontrolled addition of arylboroni... NOVEL CARBOHYDRAZIDE AND HYDRAZONE BIOMARKERS BASED ON 9-SUBSTITUTED ACRIDINE AND ANTHRACENE FLUOROGENS [作者：BEDLOVICOVA ZDENKA; IMRICH JAN; KRISTIAN PAVOL; DANIHEL IVAN; BOEHM STANISLAV; SABOLOVA DANICA; KOZURKOVA MARIA; PAULIKOVA HELENA; KLIKA KAREL D,期刊：Heterocycles, 页码：1047-1066 , 文章类型： Article，,卷期：2010年80-2] Three series of carbohydrazides or hydrazones bearing either acridine or anthracene pharmacophores were synthesized as potential noncovalent DNA-binding antitumor agents. Carbohydrazides with an acridine or anthracene mo... SYNTHETIC STUDY ON CLUTIOLIDE BASED ON A REMOTE CHELATION CONTROLLED IRELAND-CLAISEN REARRANGEMENT [作者：ISHIHARA JUN; TOKUDA OKIHISA; SHIRAISHI KAZUNORI; NISHINO YUKIHIRO; TAKAHASHI KEISUKE; HATAKEYAMA SUSUMI,期刊：Heterocycles, 页码：1067-1079 , 文章类型： Article，,卷期：2010年80-2] A methodology feasible for the stereoselective synthesis of clutiolide, a secolabdane diterpene from Clutia abyssinica, was developed based on a remote chelation controlled Ireland-Claisen rearrangement. SYNTHETIC STUDY DIRECTED TOWARD DERIVATIVES OF BIOLOGICALLY ACTIVE INDOLO[2,3-a]CARBAZOLE [作者：SATO MASAKO; SUZUKI YOSHIAKI; YAMADA FUMIO; SOMEI MASANORI,期刊：Heterocycles, 页码：1027-1045 , 文章类型： Article，,卷期：2010年80-2] Various derivatives of (6R*,6aR*)-6-chloro-6a-hydroxy-5,6,6a,12-tetrahydroindolo[2,3-a]carbazo le-5-one (8) and 6-cyano-5-hydroxyindolo[2,3-a]carbazole (9) are prepared. Preparations of (6R*,6aR*,11aR*)-6-chloro-11a-cyan...