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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18条记录   Salaprinol and ponkoranol with thio-sugar sulfonium sulfate structure from Slacia prinoides and a-glucosidase inhibitory activity of ponkoranol and kotalanol desulfate. [作者：Yoshikawa, Masayuki;Xu, Fengming;Nakamura, Seikou;Wang, Tao;Matsuda, Hisashi;Tanabe, Genzoh;Muraoka, Osamu;,期刊：Heterocycles, 页码：1397-1405 , 文章类型： 研究论文，,卷期：2008年75-6] The methanolic ext. from the roots and stems of Indian Salacia prinoides and its water-eluted fraction of Diaion HP-20 column were found to exhibit inhibitory activities against a-glucosidase. From the water-eluted frac... A facile synthesis of cycloether systems bearing [2,4]-oxazole units. [作者：Incerti, Marcelo;Fontana, Carolina;Scarone, Laura;Moyna, Guillermo;Manta, Eduardo;,期刊：Heterocycles, 页码：1385-1396 , 文章类型： 研究论文，,卷期：2008年75-6] We present a concise and high-yielding route for the prepn. of novel five-, six-, and seven-membered cycloether systems bearing [2,4]-oxazoles units. The approach is based on intramol. electrophilic oxirane ring expansi... Metalloreceptors composed of organopalladium complexes containing 5-mercapto-3H-1,3,4-thiadiazolin-2-ones. [作者：Cho, Nam Sook;Kim, Sang Beom;Kim, Min Hye;Park, Seong Gyun;Kang, Sung Kown;Lee, Se Jin;Kim, Yeong-Joon;,期刊：Heterocycles, 页码：1457-1466 , 文章类型： 研究论文，,卷期：2008年75-6] Macrocyclic ligands contg. two 5-mercapto-3H-1,3,4-thiadiazoline-2-one groups and one 1,3-benzenedimethanethiol group, which served to link the 2- and 5-positions of the heterocycle unit and chelate palladium ion, resp.,... A convenient synthesis of novel series of 4-cyclohexyl-2-substituted [1,2,4]triazolo[1,5-a]quinazolin-5(4H)-ones. novel isomers of H1 antihistaminic activity agents. [作者：Shawali, Ahmad S.;Hassaneen, Hamdi M.;Shurrab, Nabil K.;,期刊：Heterocycles, 页码：1479-1488 , 文章类型： 研究论文，,卷期：2008年75-6] A novel series of 2,4-disubstituted-1,2,4-triazolo[1,5-a]-quinazolin-5(4H)-ones, e. g. I, were prepd. by Dimroth rearrangement of their resp. isomers namely 1,4-disubstituted[1,2,4]triazolo[4,3-a]-quinazolin-5(4H)-ones. ... Reaction of dithiolactones with benzyne: a novel synthesis of benzo-1,3-dithioles. [作者：Okuma, Kentaro;Nojima, Akiko;Yokomori, Yoshinobu;,期刊：Heterocycles, 页码：1417-1424 , 文章类型： 研究论文，,卷期：2008年75-6] Compounds (More Than One Hetero Atom)) Section The reaction of benzyne with several kinds of dithiolactones, such as b-dithiolactone, benzothiophene-1-thione, 1,2-dithiolane-3-thione, and 3,3,5,5-tetramethyl-4-thioxothio... A convenient synthesis of 5-amino-substituted 1,2,4-oxadiazole derivatives via reactions of amidoximes with carbodiimides. [作者：Ispikoudi, Maria;Litinas, Konstantinos E.;Fylaktakidou, Konstantina C.;,期刊：Heterocycles, 页码：1321-1328 , 文章类型： 研究论文，,卷期：2008年75-6] 5-Amino substituted 1,2,4-oxadiazole derivs. were easily prepd., in one step and in high yields, via reactions of a variety of aryl, benzyl, cycloalkyl and alkyl amidoximes with com. available carbodiimides. Alkyl carbod... Synthesis and affinity evaluation for AT1 receptor of phenylsalicylaldoxime-derivatives structurally related to sartans. [作者：Rapposelli, Simona;Cuboni, Serena;Digiacomo, Maria;Lucacchini, Antonio;Minutolo, Filippo;Trincavelli, Maria Letizia;Balsamo, Aldo;,期刊：Heterocycles, 页码：1467-1477 , 文章类型： 研究论文，,卷期：2008年75-6] The synthesis of new potential AT1 antagonists through the replacement of the biphenyltetrazole portion of the losartan with biphenylaldoximic and phenylsalicylaldoximic moieties was reported. Moreover, also the trifluor... Synthesis of 8-hydroxyimidazo[1,2-a]pyridine-2-carboxylic acid and its derivatives. [作者：Groselj, Uros;Bezensek, Jure;Meden, Anton;Svete, Jurij;Stanovnik, Branko;Oblak, Marko;Anderluh, Petra Stefanic;Urleb, Uros;,期刊：Heterocycles, 页码：1355-1370 , 文章类型： 研究论文，,卷期：2008年75-6] Two imidazo[1,2-a]pyridines, 8-hydroxyimidazo[1,2-a]pyridine-2-carboxylic acid (I, R = OH) and Et 8-hydroxyimidazo[1,2-a]pyridine-2-carboxylate (I, R = OEt) were prepd. via cyclization of 2-aminopyridin-3-ol with bromopy... Studies with malononitrile derivatives: synthesis and reactivity of 4-benzylpyrazole-3,5-diamine, 4-benzylisoxazole-3,5-diamine and thiazolidin-3-phenylpropanenitrile. [作者：Al-Mousawi, Saleh Mohammed;Moustafa, Moustafa Sherief;Elnagdi, Mohamed Hilmy;,期刊：Heterocycles, 页码：1371-1383 , 文章类型： 研究论文，,卷期：2008年75-6] Benzylmalononitrile reacts with hydrazines, and hydroxylamine hydrochloride to yield the 4-benzylpyrazole-3,5-diamines and 4-benzylisoxazole-3,5-diamine, resp. Pyrazole-3,5-diamines could be readily reacted with a,b-uns... Structure of 2,6-dinitrophenylsulfanylethanenitrile and 2,4,6-trinitrophenylsulfanylethanenitrile and their ring closure giving 2-cyanobenzo[d]thiazole-3-oxides. [作者：Cerny, Jiri;Bertolasi, Valerio;Hanusek, Jiri;Machacek, Vladimir;,期刊：Heterocycles, 页码：1425-1433 , 文章类型： 研究论文，,卷期：2008年75-6] The base-catalyzed ring closure of 2,6-dinitrophenylsulfanylethanenitrile and 2,4,6-trinitrophenylsulfanylethanenitrile gives 2-cyano-7-nitrobenzo[d]thiazole-3-oxide and 2-cyano-5,7-dinitrobenzo[d]thiazole-3-oxide, resp.... Palladium-mediated intramolecular biaryl coupling reaction for natural product synthesis. [作者：Abe, Hitoshi;Harayama, Takashi;,期刊：Heterocycles, 页码：1305-1320 , 文章类型： 研究论文，,卷期：2008年75-6] (Heterocyclic Compounds (More Than One Hetero Atom)) Section A review on an intramol. biaryl coupling reaction which is a useful technique for the synthesis of certain types of heterocyclic compds. This short review desc... Hf(OTf)4-catalyzed 1,4-addition reactions of indole to enone in the presence of meso and chiral pyridinediamine ligands. [作者：Aburatani, Sachiko;Uenishi, Jun'ichi;,期刊：Heterocycles, 页码：1407-1416 , 文章类型： 研究论文，,卷期：2008年75-6] Hf(OTf)4-catalyzed 1,4-addn. reactions of indole to enones in the presence of pyridinediamine are described. Although a dimer and a trimer of indole were produced under the Hf(OTf)4 catalyzed reaction conditions of indo... One-pot synthesis of purinylpurine-2,6-diones. [作者：Yadava, Virendra S.;Yadav, Shiv S.;Singh, Neeraj;,期刊：Heterocycles, 页码：1489-1492 , 文章类型： 研究论文，,卷期：2008年75-6] Three new purinyl purine-2,6-diones have been synthesized in one-pot reaction. New diacylated delphinidin 3-rutinoside-5-glucosides isolated from the blue-purple flowers of Browallia speciosa. [作者：Toki, Kenjiro;Saito, Norio;Shigihara, Atsushi;Honda, Toshio;,期刊：Heterocycles, 页码：1503-1509 , 文章类型： 研究论文，,卷期：2008年75-6] Two new diacylated delphinidin 3-rutinoside-5-glucosides were isolated from the blue-purple flowers of Browallia speciosa cv. Purple. As a major anthocyanin, delphinidin 3-O-[6-O-(4-O-(trans-caffeoyl)-a-L-rhamnopyranosyl... Three new ent-kaurane diterpenoids from the seeds of Pharbitis nil. [作者：Kim, Ki Hyun;Jin, Mi Rim;Choi, Sang Zin;Son, Mi Won;Lee, Kang Ro;,期刊：Heterocycles, 页码：1447-1455 , 文章类型： 研究论文，,卷期：2008年75-6] ent-kauran-18-(6b)-olide (1), Me 6b,7b,16b,17-tetrahydroxy ent-kauran-18-oate (2) and 6b,7b,16b,17-tetrahydroxy ent-kauran-18-oic acid (3), together with thirteen known compds., were isolated from the seeds of Pharbitis ... New phenolic glycosides from the leaves of Salacia chinensis. [作者：Nakamura, Seikou;Zhang, Yi;Wang, Tao;Matsuda, Hisashi;Yoshikawa, Masayuki;,期刊：Heterocycles, 页码：1435-1446 , 文章类型： 研究论文，,卷期：2008年75-6] A3 (3), B1 (4), B2 (5), C (6), and D (7), were isolated from the leaves of Salacia chinensis (Hippocrateaceae) collected in Thailand. Their structures were elucidated on the basis of chem. and physicochem. evidence.