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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16条记录   Synthesis and chemical transformations of benzoxazepines. [作者：Levai, Albert;,期刊：Heterocycles, 页码：2155-2185 , 文章类型： 综述，,卷期：2008年75-9] A review. This review described synthetic procedures for the prepn. of all the known benzo-condensed derivs. of the 1,2-, 1,3- and 1,4-oxazepines. Examples for the most important chem. transformations of some benzoxaze... Synthesis of 1,4-dihydro-2H-3,1-benzoxazin-2-ones by hydriodic acid-mediated cyclization of t-butyl 2-vinylphenylcarbamates. [作者：Kobayashi, Kazuhiro;Fukamachi, Shuhei;Konishi, Hisatoshi;,期刊：Heterocycles, 页码：2301-2307 , 文章类型： 研究论文，,卷期：2008年75-9] A two-step facile synthesis of 4,4-disubstituted 1,4-dihydro-2H-3,1-benzoxazin-2-ones starting from a-substituted 2-aminostyrenes was described. The method involved the hydriodic acid-mediated cyclization of t-Bu 2-viny... Peroxisome proliferator-activated receptor (PPAR) agonists with 3,4-dihydro-2H-benzo[e][1,3]oxazine and 2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine skeletons: effects of cyclization of linker moiety on PPAR-agonistic activity. [作者：Ohgane, Kenji;Kasuga, Jyun-ichi;Ohyama, Takuji;Hirakawa, Yuko;Morikawa, Kosuke;Makishima, Makoto;Hashimoto, Yuichi;Miyachi, Hiroyuki;,期刊：Heterocycles, 页码：2187-2192 , 文章类型： 研究论文，,卷期：2008年75-9] Conformationally restricted heterocyclic derivs. of KCL ((S)-2-{4-methoxy-3-[4-(trifluoromethyl)benzylcarbamoyl]benzyl}butanoic acid), which exhibit selective PPARa-agonistic activity, were prepd. to examine the signific... Tungstophosphoric acid supported on titania as an eco-friendly, green and reusable catalyst for the solvent-free Hantzsch multi-component condensation. [作者：Rafiee, Ezzat;Eavani, Sara;Rashidzadeh, Solmaz;Joshaghani, Mohammad;,期刊：Heterocycles, 页码：2225-2233 , 文章类型： 研究论文，,卷期：2008年75-9] Tungstophosphoric acid supported on titania H3PW12O40/TiO2, catalyzed three and four component coupling of various b-dicarbonyl compds., aldehydes and amines under solvent free conditions. Different 4-aryl, N-hydroxy Et ... The behavior of M+ and [M+H]+ ions of some oxoisoaporphines and quinolinone analogs. [作者：Valitutti, Giovanni;Sobarzo-Sanchez, Eduardo;Traldi, Pietro;,期刊：Heterocycles, 页码：2213-2223 , 文章类型： 研究论文，,卷期：2008年75-9] The mass spectrometric behavior of some oxoisoaporphines and quinolinone analogs has been studied by both electrospray and electron ionization methods. By the former approach, information can be obtained on the decompn.... Palladium(II)-catalyzed cyclization via N-alkylation of an allyl alcohol with an urethane and its application to the syntheses of natural products. [作者：Yokoyama, Hajime;Hirai, Yoshiro;,期刊：Heterocycles, 页码：2133-2153 , 文章类型： 综述，,卷期：2008年75-9] A review. Stereoselective amino-palladation of alkenylamines is one of the most important approaches for the stereoselective construction of N-hetero-alicycles, which form the skeletons of several biol. active natural p... Flavisiamines A - D, new indole alkaloids from Kopsia flavida. [作者：Sekiguchi, Mitsuhiro;Hirasawa, Yusuke;Zaima, Kazumasa;Hoe, Teh Chin;Chan, Kit-Lam;Morita, Hiroshi;,期刊：Heterocycles, 页码：2283-2288 , 文章类型： 研究论文，,卷期：2008年75-9] Four new Me chanofruticosinate-type alkaloids, flavisiamines A (I) ~ D have been isolated from Kopsia flavida (Apocynaceae) and their structures were elucidated by NMR spectral anal. using 2D techniques. The regioselective synthesis of 2H-pyrido[2,3-b]pyrrolo[2,3-e]pyrazin-2-one. [作者：Jamrozy, Krzysztof;Szymoniak, Katarzyna;Ostrowska, Katarzyna;,期刊：Heterocycles, 页码：2275-2282 , 文章类型： 研究论文，,卷期：2008年75-9] Compounds (More Than One Hetero Atom)) Section The regioselective reaction of 1-aryl-4-(phenylhydroxymethylidene)-pyrrolidine-2,3,5-triones, e.g., I, with 2,3-diaminopyridine in boiling glacial AcOH in the presence of Ts... Synthesis and characterization of 2,3,5,6-tetraphenylpyrazine-N,N-dioxide: new nitrone dimer species. [作者：Essa, Ali Hashem;Al-Shamkhani, Zeki A. Nasir;Jalbout, Abraham F.;Hameed, Ali Jameel;,期刊：Heterocycles, 页码：2235-2242 , 文章类型： 研究论文，,卷期：2008年75-9] The synthesis, characterization, and phys. properties of 2,3,5,6-tetraphenylpyrazine N,N-dioxide are reported. A specific redn. mechanism of an oxime using Zn with NH4Cl to yield NH2OH was performed. This was followed ... Studies on enamines and azaenamines. 2-Oxoarylhydrazonals as C-1 nucleophiles. [作者：Al-Mousawi, Saleh M.;Moustafa, Moustafa Sherief;Elnagdi, Mohamed Hilmy;,期刊：Heterocycles, 页码：2201-2211 , 文章类型： 研究论文，,卷期：2008年75-9] 2-Oxoarylhydrazonals react with aldehydes, piperidine, morpholine, and benzotriazole to yield the corresponding Mannich bases. Formaldehyde reacts with 2-oxoarylhydrazonals to yield the hydroxymethylarylhydrazones togeth... A new sulfa-heterocyclic compounds containing aziridine moiety, 3-benzyl-2-thia-1,3-diazabicyclo[3.1.0]hexane 2,2-dioxide and its reaction with nucleophiles. [作者：Khettache, Nawel;Berredjem, Malika;Regainia, Zine;Aouf, Nour-Eddine;,期刊：Heterocycles, 页码：2243-2250 , 文章类型： 研究论文，,卷期：2008年75-9] A new sulfa-heterocycle contg. an aziridine moiety, 3-benzyl-2-thia-1,3-diazabicyclo[3.1.0]hexane 2,2-dioxide, was obtained starting from 2-benzyl-4-chloromethyl-1,2,5-thiadiazolidine 1,1-dioxide in alk. conditions. The... Synthesis of new 3-nitroimidazo[1,2-a]pyridine derivatives by SRN1 reactions. [作者：Szabo, Remi;Crozet, Maxime D.;Vanelle, Patrice;,期刊：Heterocycles, 页码：2263-2274 , 文章类型： 研究论文，,卷期：2008年75-9] 6,8-Dibromo-2-chloromethyl-3-nitroimidazo[1,2-a]pyridine was reacted under conditions of SRN1 reactions with different C- and S-centered nucleophiles to det. the relative reactivities of the different types of electrophi... A clean synthesis of 3,3-bis(5-amino-1H-pyrazol-4-yl)indolin-2-one derivatives. [作者：Ahadi, Somayeh;Shakibaei, Ghazaleh Imani;Mirzaei, Peiman;Bazgir, Ayoob;,期刊：Heterocycles, 页码：2293-2299 , 文章类型： 研究论文，,卷期：2008年75-9] A clean and efficient method was reported for the condensation of 1,3-diphenyl-1H-pyrazol-5-amine with isatins in aq. media to afford the corresponding 3,3-bis(5-amino-1H-pyrazol-4-yl)indolin-2-one derivs. in good yields... The synthesis and microbiological activity of 2-mercapto-4-(pyrrolidin-1-yl)pyridine-3-carbonitrile derivatives. [作者：Miszke, Agnieszka;Foks, Henryk;Kedzia, Anna;Kwapisz, Ewa;Zwolska, Zofia;,期刊：Heterocycles, 页码：2251-2261 , 文章类型： 研究论文，,卷期：2008年75-9] The synthesis of 2-mercapto-4-(pyrrolidin-1-yl)pyridine derivs. starting from 2-bromo-4-(pyrrolidin-1-yl)pyridine-3-carbonitrile (I) is described. The desired derivs. of 2-(phenylthio)-4-(pyrrolidin-1-yl)pyridine-3-carbo... An expedient method to the synthesis of N-substituted 1H-isoindole-1,3(2H)-diones. [作者：Nikpour, Farzad;Mogaddam, Baran Mohammadi;,期刊：Heterocycles, 页码：2289-2292 , 文章类型： 研究论文，,卷期：2008年75-9] The synthesis of N-substituted 1H-isoindole-1,3-(2H)-diones was described from the reaction of cyclic anhydrides with Schiff bases as suitable replacing substrates instead of the corresponding amines. Facile entry to ethyl tetrahydro-1H-pyrrolizin-7a(5H)-ylacetate: a versatile pharmaceutical intermediate. [作者：Bruno, Claudio;Catalano, Alessia;Lentini, Giovanni;Carocci, Alessia;Franchini, Carlo;Tortorella, Vincenzo;,期刊：Heterocycles, 页码：2193-2200 , 文章类型： 研究论文，,卷期：2008年75-9] An improved synthesis of tetrahydro-1H-pyrrolizin-7a(5H)-ylacetate is reported. This valuable pharmaceutical intermediate was easily obtained from 1,7-diiodo-4-heptanone in 46% yield, thus improving the procedure report...