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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   INDOLE CHEMISTRY FOR COMBATING YELLOW SAND AND DESERTIFICATION DIRECTED TOWARDS STOPPING GLOBAL WARMING [作者：SOMEI MASANORI,期刊：Heterocycles, 页码：1007-+ , 文章类型： Review，,卷期：2011年82-2] Various derivatives of indole-3-carbaldehyde are found to be root regulators and they are named SOMRE compounds. Since some of them are potent root promoters and make roots three times longer than usual, their possibilit... 4-ALKYNOIC ACIDS IN THE SYNTHESIS OF BIOLOGICALLY IMPORTANT TETRAPYRROLES [作者：JACOBI PETER A; BRIELMANN HARRY L; CHIU MELANIE; GHOSH INDRANATH; HAUCK SHEILA I; LANZ SANDRA; LEUNG SAM; LI YONGKAI; LIU HUI; LOEWER FRANZISCA; ONEAL WILLIAM G; PIPPIN DOUGLAS; POLLINA ELIZABETH; PRATT BENJAMIN A; ROBERT FREDERIC; ROBERTS WILLIAM P; TASSA CARLOS; WANG HUI,期刊：Heterocycles, 页码：1029-+ , 文章类型： Review，,卷期：2011年82-2] In this review an account is given of the author's use of 4-alkynoic acid derivatives in the synthesis of members of the chlorin, bacteriochlorin and corrin classes of macrocyclic tetrapyrroles. In the case of chlorins, ... ASYMMETRIC SYNTHESIS OF gamma-SILOXYENAMIDES VIA CHIRAL AUXILIARY-MEDIATED DIASETEROSELECTIVE COUPLING OF YNAMIDES, ALDEHYDES, AND SILANE BY NICKEL CATALYST [作者：SAITO NOZOMI; KATAYAMA TOMOYUKI; SATO YOSHIHIRO,期刊：Heterocycles, 页码：1181-+ , 文章类型： Article，,卷期：2011年82-2] A nickel-catalyzed diastereoselective three-component coupling of optically active oxazolidinone-derived ynamides, aldehydes, and silane is described. The reaction proceeded via stereoselective formation of oxanickelacyc... HYDROGEN-ACTIVATED BENZYLIDYNETRICOBALT NONACARBONYL: CARBONYLATIVE CYCLIZATION OF ENYNES IN SYNTHESIS GAS WITHOUT REDUCING SUBSTRATES AND PRODUCTS [作者：SUGIHARA TAKUMICHI; WAKABAYASHI AKIHITO; NISHIZAWA MUGIO; HONZAWA SHINOBU,期刊：Heterocycles, 页码：1189-+ , 文章类型： Article，,卷期：2011年82-2] Benzylidynetricobalt nonacarbonyl was activated by hydrogen and catalyzed the carbonylative cyclization of enynes without reducing substrates and products. NUCLEOPHILIC REACTIONS OF 9-ISOPROPYL-2,4-DIMETHOXY-7,12-DIMETHYL-3-(PHENYLSULFONYL)BENZO[a]HEPTAL ENE WITH LITHIUM DIALKYLAMIDES [作者：EL RAYES SAMIR; LINDEN ANTHONY; ABOUHADEED KHALED; HANSEN HANSJUERGEN,期刊：Heterocycles, 页码：1195-+ , 文章类型： Article，,卷期：2011年82-2] Treatment of the title compounds with lithium piperidinide in THF at -5 degrees C leads to an exchange of the two methoxy groups by piperidino substituents (Scheme 2). On the other hand, lithium diisopropylamide (LDA) in... AUTOCATALYSIS AND ORGANOCATALYSIS WITH KEMP'S TRIACID COMPOUNDS [作者：AJAMI DARIUSH; KAMIOKA SEIJI; SATHER AARON C; HOOLEY RICHARD J; REBEK JULIUS JR,期刊：Heterocycles, 页码：1203-+ , 文章类型： Article，,卷期：2011年82-2] Synthetic structures capable of autocatalysis based on molecular recognition - self-replication - were introduced nearly 20 years ago. These systems involved neither informational oligomers such as nucleic acids nor cond... NON COVALENT INCLUSION OF NUCLEOSIDES AND NUCLEOTIDES IN WATER-SOLUBLE MOLECULAR CLIPS [作者：BASTKOWSKI FRANK; POLKOWSKA JOLANTA; SCHRADER THOMAS; KLAERNER FRANKGERRIT,期刊：Heterocycles, 页码：1549-+ , 文章类型： Article，,卷期：2011年82-2] The dimethylene-bridged molecular clips having naphthalene sidewalls and bearing either lithium phosphate or lithium methanephosphonate groups in the central benzene-spacer-unit bind various nucleosides and nucleotides i... DIFFERENTIATED CYCLIZATION OF THE KETOACID DERIVED FROM TOKINOLIDE B [作者：LEON ALEJANDRA; TOSCANO RUBEN A; ANTONIO COGORDAN J; DELGADO GUILLERMO,期刊：Heterocycles, 页码：1567-+ , 文章类型： Article，,卷期：2011年82-2] Treatment of the ketoacid derivative (5) of the bioactive natural dimeric phthalide tokinolide B under weakly basic conditions and pressure, produced the novel ketal compound 6 via addition of the carboxylate of 5 to the... DE NOVO ASYMMETRIC APPROACH TO THE DISACCHARIDE PORTION OF SCH-47554 [作者：YU XIAOMEI; LI MIAOSHENG; ODOHERTY GEORGE A,期刊：Heterocycles, 页码：1577-+ , 文章类型： Article，,卷期：2011年82-2] A method for the asymmetric synthesis of the disaccharide portion of SCH-47554 has been developed in 6 steps. The route is shorter than the reported route to a related disaccharide. The route involves the use of the Noyo... A CONVENIENT ENTRY TO NEW C-7-MODIFIED COLCHICINOIDS THROUGH AZIDE ALKYNE [3+2] CYCLOADDITION: APPLICATION OF RING-CONTRACTIVE REARRANGEMENTS [作者：NICOLAUS NORMAN; REBALL JENS; SITNIKOV NIKOLAY; VELDER JANNA; TERMATH ANDREAS; FEDOROV ALEXEY YU; SCHMALZ HANSGUENTHER,期刊：Heterocycles, 页码：1585-+ , 文章类型： Article，,卷期：2011年82-2] Reliable procedures for the preparation of azides derived from colchicine (1), allocolchicine (3) and N-acetylcolchinol (4a) were developed. These azides were then employed in Cu-catalyzed Huisgen-Sharpless [3+2] cycload... 2-AMINO-3-(5-PHENYLFURAN-2-YL)PROPIONIC ACIDS AND 5-PHENYLFURAN-2-YLACRYLIC ACIDS ARE NOVEL SUBSTRATES OF PHENYLALANINE AMMONIA-LYASE [作者：PAIZS CSABA; TOSA MONICA IOANA; BENCZE LASZLO CSABA; BREM JUERGEN; IRIMIE FLORIN DAN; RETEY JANOS,期刊：Heterocycles, 页码：1217-+ , 文章类型： Article，,卷期：2011年82-2] Both racemic 2-amino-3-(5-phenylfuran-2-yl)propionic acids and 5-phenylfuran-2-ylacrylic acids were synthesized and spectroscopically characterized (UV, EI-MS, H-1-NMR and C-13-NMR). The phenyl group of the 5-phenylfuran... PREPARATION AND ELECTROCHEMICAL PROPERTIES OF PHTHALOCYANINATO TITANIUM(IV) AND PORPHYRINATO TITANIUM(IV) BENZENEDICHALCOGENOLATES [作者：KIMURA TAKESHI; AMANO KAORI; YAMAMOTO ARATA; NAMAUO TOSHIHARU,期刊：Heterocycles, 页码：1229-+ , 文章类型： Article，,卷期：2011年82-2] The reaction of phthalocyaninato titanium(IV) oxides with benzenedithiol or benzenediselenol produced the corresponding complexes with titanium-sulfur or titanium-selenium bonds. Tetraphenylporphyrinato titanium (IV) ben... GENERATION OF 3-(1H-ISOCHROMEN-1-YL)-1H-INDOLE VIA SILVER TRIFLATE-CATALYZED TANDEM REACTION OF 2-ALKYNYLBENZALDEHYDE WITH INDOLE [作者：OUYANG BANLAI; YUAN JIANJUN; YANG QIN; DING QIUPING; PENG YIYUAN; WU JIE,期刊：Heterocycles, 页码：1239-+ , 文章类型： Article，,卷期：2011年82-2] A facile and efficient method is developed for synthesis of 3-(1H-isochromen-1-yl)-1H-indole via silver triflate-catalyzed tandem reaction of 2-alkynylbenzaldehyde with indole. The reaction proceeds smoothly in DMF at ro... A NEW SYNTHETIC APPROACH TO SOME FUNCTIONALIZED CYCL[3.2.2]AZINE DERIVATIVES [作者：MURANAKA HIDEYUKI; KAKEHI AKIKAZU; SUGA HIROYUKI; ITOH KENNOSUKE,期刊：Heterocycles, 页码：1251-+ , 文章类型： Article，,卷期：2011年82-2] Dehydrogenation of some ethyl 4-oxo-1H-8,8a-dihydro-1,4-thiazino[3,4,5-cd]indolizine-1-carboxylates with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) were examined. No simply dehydrogenated products such as 4-oxo-1H- ... N-METHYL-N-PHENYL-5-OXA-1-AZASPIRO[2.5]OCT-1-EN-2-AMINE - SYNTHESIS AND REACTIONS OF A SYNTHON FOR AN UNKNOWN alpha-AMINO ACID [作者：LOEPFE MICHAEL; LINDEN ANTHONY; HEIMGARTNER HEINZ,期刊：Heterocycles, 页码：1267-+ , 文章类型： Article，,卷期：2011年82-2] The synthesis of the heterospirocyclic amino azirine N-methyl-N-phenyl-5-oxa-1-azaspiro[2.5]oct-1-en-2-amine (6a) was achieved from 3,4-dihydro-2H-pyrane (7) via N-methyl-N-phenyltetrahydropyran-3-thiocarboxamide (11). T... 2-[1,3-BIS(ETHOXYCARBONYL)AZULEN-6-YL]ETHYNYLTRIPHENYLPHOSPHONIUM BROMIDE [作者：MORITA NOBORU; MORIYAMA SHIRO; TOYOTA KOZO; WATANABE MASATAKA; KIKUCHI SHIGERU; ITO SHUNJI; FUJIMORI KUNIHIDE,期刊：Heterocycles, 页码：1283-+ , 文章类型： Article，,卷期：2011年82-2] 2-[1,3-Bis(ethoxycarbonyl)azulen-6-yl]ethynyltriphenylphosphonium bromide was prepared from diethyl 6-ethynyl-1,3-azulenedicarboxylate. Its NMR spectroscopic property was made clear. Furthermore, its reactivity with o-su...