- Aplysinopsin dimers from a stony coral. Tubastraea aurea.
[作者:Iwagawa, Tetsuo;Miyazaki, Miho;Yokogawa, Yukiko;Okamura, Hiroaki;Nakatani, Munehiro;Doe, Matsumi;Morimoto, Yoshiki;Takemura, Kaoru;,期刊:Heterocycles, 页码:2023-2028 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- Five novel bis(indole) alkaloids, which were composed of two mols. of aplysinopsin have been isolated from a stony coral, Tubastraea aurea. Their structures were elucidated on the basis of spectroscopic methods.
- Bioactive constituents from chinese natural medicines. XXXL.
[作者:Hepatoprotective principles from Sinocrassula indica: structures of sinocrassosides A8, A9, A10, A11, and A12. Ninomiya, Kiyofumi;Morikawa, Toshio;Xie, Haihui;Matsuda, Hisashi;Yoshikawa, Masayuki;,期刊:Heterocycles, 页码:1983-1995 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- The methanolic ext. from the whole plant of Sinocrassula indica (Crassulaceae) was found to show hepatoprotective effect on D-galactosamine-induced cytotoxicity in primary cultured mouse hepatocytes. From the methanolic...
- Synthesis of acridine analogues as intercalating crosslinkers and evaluation of their potential anticancer properties.
[作者:Higashi, Toshinori;Sakamoto, Maki;Mochizuki, Masataka;,期刊:Heterocycles, 页码:1943-1952 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- We synthesized 4,5-bis(halomethyl)acridines, which contain an acridine skeleton for DNA intercalation and two halomethyl groups for DNA crosslinking. 4,5-Bis(bromomethyl)acridine and 4,5-bis(chloromethyl)acridine interc...
- New b-tricarbonyl compounds: synthesis, reactions with urea and some thioureas.
[作者:Sacmaci, Mustafa;Alkan, Abdulrezzak;Sacmaci, Serife;Saripinar, Emin;Sahin, Ertan;,期刊:Heterocycles, 页码:2013-2021 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- 2,3-Dihydro-4-(4-methoxybenzoyl)-5-(4-methoxyphenyl)furan-2,3-dione reacted with some alkyl carbamates via p,p'-dimethoxydibenzoylketene intermediate giving new b-tricarbonyl compds., e.g., I. Then, these compds. were c...
- Synthesis of new thiazolo[3,2-a]pyrimidin-5-one derivatives in reaction of 3-allyl-2-thiouracil cyclization.
[作者:Studzinska, Renata;Wroblewski, Marcin;Draminski, Marcin;,期刊:Heterocycles, 页码:1953-1961 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- The series of thiazolo[3,2-a]pyrimidin-5-one derivs. through cyclization reaction of 3-allyl-2-thiouracil derivs. with iodine monochloride, followed by hydrogen iodide elimination has been obtained. On the basis of the ...
- A facile one-pot synthesis of benzimidazoles from 2-nitroanilines by reductive cyclization.
[作者:Liu, Zheng;Li, Haihong;Zhao, Qingjie;Shen, Jingshan;,期刊:Heterocycles, 页码:1907-1911 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- A facile one-pot process to prep. benzimidazole derivs. is described. Reductive cyclization of a series of 2-nitroanilines with orthoesters in the presence of Pd/C in methanol at room temp., which is promoted by a cataly...
- Synthesis of novel pyrazolo[5,1-b][1,3]benzothiazoles: a new pericyclic pathway.
[作者:Tekiner-Gulbas, Betul;Filak, Laszlo;Vasko, Gyongyver Agnes;Egyed, Orsolya;Yalcin, Ismail;Aki-Sener, Esin;Riedl, Zsuzsanna;Hajos, Gyorgy;,期刊:Heterocycles, 页码:2005-2012 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- 2-Benzylbenzothiazoles were easily N-aminated by tosyl hydroxylamine, and the obtained N-amino salts were reacted with Et orthoformate to give new derivs. of the pyrazolo[5,1-b][1,3]benzothiazole ring system, I (R = H, M...
- Conformationally constrained adamantaneoxazolines of pharmacological interest.
[作者:Papanastasiou, Ioannis;Foscolos, George B.;Tsotinis, Andrew;Olah, Judit;Ovadi, Judit;Prathalingam, S. Radhika;Kelly, John M.;,期刊:Heterocycles, 页码:2043-2061 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- New conformationally constrained adamantane 2-oxazoline building blocks were synthesized and their antimicrotubule and antitrypanosomal potency was investigated. Although most of the new compds. affect tubulin polymn., ...
- Selenomaltol - synthesis, spectroscopy and theoretical calculations.
[作者:Tejchman, Waldemar;Zborowski, Krzysztof;Lasocha, Wieslaw;Proniewicz, Leonard M.;,期刊:Heterocycles, 页码:1931-1942 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- Selenium analog of maltol, 3-hydroxy-2-methyl-4H-pyran-4-selenone (1) was prepd. by direct selenylation of maltol by in situ formed P2Se5. Geometries and energies of three possible products of maltol selenylation, 1, 3-h...
- Chemical constituents of Ligularia franchetiana collected in Yunnan province of China.
[作者:Tori, Motoo;Tanio, Yui;Okamoto, Yasuko;Saito, Yoshinori;Gong, Xun;Kuroda, Chiaki;Hanai, Ryo;,期刊:Heterocycles, 页码:2029-2034 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- Two new ketones, franchetianones A and B, were isolated from the root of Ligularia franchetiana collected in Yunnan province of China and their structures detd. based on the spectroscopic analyses.
- Solvent-free microwave synthesis of 3-(4-benzo[b]thiophene-2-carbonyl)-1-piperazinyl-1-benzo[b]thiophen-2 -yl-1-propanones. New hetero bis-ligands with potential 5-HT1A serotonergic activity.
[作者:Pessoa-Mahana, Hernan;Johann, Kosche C.;Nadia, Ron H.;Recabarren-Gajardo, Gonzalo;Claudio, Saitz B.;Araya-Maturana, Ramiro;Pessoa-Mahana, C. David;,期刊:Heterocycles, 页码:1913-1929 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- A novel series of 2-benzothiophenealkylpiperazine derivs., (e.g. I) with potential affinity at 5-HT1A serotonin receptors have been synthesized via solvent-free, microwave-promoted Michael addn. of benzo[b]thiophene pipe...
- Investigation of the acid-mediated cyclisation of amide acetal for the synthesis of benzazepinone.
[作者:Phakhodee, Wong;Sahakitpichan, Poolsak;Deechongkit, Songpon;Ruchirawat, Somsak;,期刊:Heterocycles, 页码:1963-1970 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- On treatment with acids, the open-chained amide acetals gave the 7-membered ring fused benzazepinones via the bis-cyclization.
- Halolactonization of g-acetylenic acids: synthesis of novel spiroisoindole halobutyrolactones.
[作者:Rammah, Mohamed M.;Othman, Mohamed;Msaddek, Moncef;Rammah, Mohamed B.;,期刊:Heterocycles, 页码:1971-1981 , 文章类型: 研究论文,,卷期:2008年75-8, 7/30/08]
- g-Acetylenic carboxylic acids are cyclized to spirohalo butyrolactones, in the presence of NBS or NIS and K2CO3. The corresponding 5(E)-haloalkylidene-spirobutyrolactones were isolated in high yields, and this process c...
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