- The reaction of hexachlorocyclotriphosphazatriene with bromoneopentyl glycol.
[作者:Ibisoglu, Hanife;Hacivelioglu, Ferda;Kilic, Adem;,期刊:Heterocycles, 页码:839-846 , 文章类型: 研究论文,,卷期:2008年75-4]
- In the present work, novel phosphazene derivs., monospiro- (1), substituted cyclotriphosphazatrienes were synthesized with the reaction of bromoneopentyl glycol(2,2-bis(bromomethyl)-1,3-propandiol) with hexachlorocyclotr...
- One-pot synthesis of 2,3-disubstituted benzo[b]thiophene derivatives from 2-mercaptophenyl ketones.
[作者:Kobayashi, Kazuhiro;Nakamura, Daizo;Fukamachi, Shuhei;Konishi, Hisatoshi;,期刊:Heterocycles, 页码:919-924 , 文章类型: 研究论文,,卷期:2008年75-4]
- 2-Mercaptophenyl ketones reacted with activated alkyl bromides (BrCH2EWG's), such as bromoacetates, bromoacetonitrile, and bromomethyl Ph ketone, in the presence of two molar amts. of sodium hydride in THF at 0 癈 to affo...
- Calamistrins H and I, two linear annonaceous acetogenins from the roots of Uvaria calamistrata Hance.
[作者:Zhou, Guang-Xiong;Zhang, Yanjun;Chen, Ruo-Yun;Yu, De-Quan;,期刊:Heterocycles, 页码:933-937 , 文章类型: 研究论文,,卷期:2008年75-4]
- Two linear Annonaceous acetogenins, calamistrins H (I) and I (1 and 2) were isolated from an ethanolic ext. of the roots of Uvaria calamistrata Hance (Annonaceae) with silica gel column and preparative HPLC. ring on the ...
- Synthesis and reactions of some new spiro{indeno[1,2-b]pyran-4,3'-indolines}.
[作者:El-Zohry, Maher F.;Elossaily, Yasser A.;Mohamed, Thanaa A.;Hussein, Essam M.;,期刊:Heterocycles, 页码:955-963 , 文章类型: 研究论文,,卷期:2008年75-4]
- Indan-1,3-dione reacted with 3-dicyanomethylidene-2-oxoindolines in refluxed ethanol to afford 2-amino-3-cyanospiro {5H-indeno[1,2-b]pyrane-4,3'-(1'-substitutedindoline)}-2',5-diones (I, R = H, Me, Et). These compds. un...
- Synthesis and antimicrobial evaluation of some new pyrimidine derivatives.
[作者:Kheder, Nabila A.;Mabkhot, Yahia N.;Farag, Ahmad M.;,期刊:Heterocycles, 页码:887-897 , 文章类型: 研究论文,,卷期:2008年75-4]
- The utility of compd. I in the synthesis of some pyrido[1,2-f]pyrimidine, pyrazolo[3,4-b]pyrido[1,2-f]pyrimidine, 6-(4-substituted styryl)pyrimidine, pyrido[4,3-d]pyrimidine, pyrimido[5,4-d]pyridazine and substituted-6-(...
- Scope and limitations of the T-reaction employing some functionalized C-H-acids and naturally occurring secondary amines.
[作者:Rabong, Constantin;Hametner, Christian;Mereiter, Kurt;Kartsev, Victor G.;Jordis, Ulrich;,期刊:Heterocycles, 页码:799-838 , 文章类型: 研究论文,,卷期:2008年75-4]
- Scope and limitations of the T-reaction with emphasis on using chiral, natural products as starting materials to prep. novel chiral heterocycles is studied and the diastereoselective introduction of newly formed stereoce...
- Synthesis of 6-aminoalkyldiquino-1,4-thiazines and their acyl and sulfonyl derivatives.
[作者:Jelen, Malgorzata;Pluta, Krystian;,期刊:Heterocycles, 页码:859-870 , 文章类型: 研究论文,,卷期:2008年75-4]
- Syntheses of various 6-dialkylaminoalkyldiquino-1,4-thiazines and 6-aminoalkyldiquino-1,4-thiazines were elaborated in the reactions of diquino-1,4-dithiin and 2,2'-dichloro-3,3'-diquinolinyl sulfide with primary amines,...
- Synthesis and properties of 3,3'-polymethylene-2,2'-bibenzo[b]-1,10-phenanthrolines.
[作者:Rahman, A. F. M. Motiur;Jahng, Yurngdong;,期刊:Heterocycles, 页码:871-877 , 文章类型: 研究论文,,卷期:2008年75-4]
- The Friedlaender reactions of 4-aminoacridine-3-carbaldehyde with cycloalkane-1,2-diones were examd. The reactions of cycloheptane- and cyclooctane-1,2-diones afforded 3,3'-tri- and 3,3'-tetramethylene-2-(pyrid-2'-yl)be...
- Transformation of 1,5-diphenylpentane-1,3,5-trione. The synthesis of substituted (4H)-pyranones, pyridin-4(1H)-ones and 4H-pyrano[3,2-c]pyridin-4-ones.
[作者:Zupancic, Silvo;Svete, Jurij;Stanovnik, Branko;,期刊:Heterocycles, 页码:899-909 , 文章类型: 研究论文,,卷期:2008年75-4]
- 1,5-Diphenylpentane-1,3,5-trione (I) was transformed by the reaction either with N,N-dimethylformamide di-Me acetal (DMFDMA) or N,N-dimethylacetamide di-Me acetal (DMADMA) into (N,N-dimethylamino)methylidene derivs. 2a,b...
- Two new taxoids from the needles and young stems of Taxus cuspidata.
[作者:Wang, Liyan;Bai, Liming;Tokunaga, Daisuke;Watanabe, Yuusuke;Sakai, Jun-ichi;Tang, Wanxia;Bai, Yuhua;Hirose, Katsutoshi;Ando, Masayoshi;,期刊:Heterocycles, 页码:911-917 , 文章类型: 研究论文,,卷期:2008年75-4]
- A new basic taxoid, taxine NA-13 (I) and a new neutral taxoid, 3a,11a-cyclotaxinine NN-2 (II) were isolated from Japanese yew tree, Taxus cuspidata. The structures of two new taxoids I and II were established as shown i...
- Synthesis and evaluation of influenza virus sialidase inhibitory activity of hinokiflavone-sialic acid conjugates.
[作者:Miki, Kazuhiko;Nagai, Takayuki;Nakamura, Takayuki;Tuji, Mitsuru;Koyama, Kiyotaka;Kinoshita, Kaoru;Furuhata, Kimio;Yamada, Haruki;Takahashi, Kunio;,期刊:Heterocycles, 页码:879-885 , 文章类型: 研究论文,,卷期:2008年75-4]
- Metasequoia glyptostroboides Hu et Cheng and displayed influenza A and B virus sialidase inhibitory activity. The unnatural glycoconjugate, hinokiflavone-sialic acid (8) was synthesized and exhibited more potent inhibit...
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