- Synthesis and bioactivity of novel bisphosphonate derivatives.
[作者：Babu, B. Hari;Prasad, G. Syam;Babu, M. F. Stephen;Haranath, Pallamreddy;Reddy, S. Hemadri;Raju, C. Naga;,期刊：Heterocycles, 页码：611-618 , 文章类型： 研究论文，,卷期：2008年75-3]
- 28 Synthesis of novel bis-(2,10-dimethyl-4,8-di-t-butyl-12H-6-oxidodibenzo[d,g][1,3,2]dioxaph osphocin -6-yl)2/3/4-substituted Ph / heteroaryl-methanes were accomplished by Pudovic reaction. Addn. of an equimolar quanti...
- Synthesis of the azathiopurine analogs.
[作者：Kowalska, Alicja;Pluta, Krystian;,期刊：Heterocycles, 页码：555-569 , 文章类型： 研究论文，,卷期：2008年75-3]
- The effective synthesis of the azathioprine analogs - 2-substituted derivs. of 7-methyl-6-(1-methyl-4-nitroimidazol-5-ylthio)purines 5 has been achieved by the reaction of 2-substituted 6-purinethiones 4 with 5-chloro-1-...
- Silica sulfuric acid-activated poly-1,3-dichloro-5-methyl-5-(4'-vinylphenyl)hydantoin (PDCVH) as an effective reagent for oxidation of 1,3,5-trisubstituted 2-pyrazolines both under microwave irradiation and thermal conditions.
[作者：Azarifar, Davood;Maleki, Behrooz;Setayeshnazar, Mehrnaz;,期刊：Heterocycles, 页码：669-673 , 文章类型： 研究论文，,卷期：2008年75-3]
- Oxidn. of 1,3,5-trisubstituted 4,5-dihydro-1H-pyrazoles to the corresponding pyrazoles has been achieved by utilizing silica sulfuric acid-activated poly-1,3-dichloro-5-methyl-5(4'-vinylphenyl)hydantoin in EtOH under bot...
- A facile synthesis of 1,3-dihydroisobenzofurans using iodocyclization of 2-vinylbenzyl alcohols.
[作者：Kobayashi, Kazuhiro;Shikata, Kazuaki;Fukamachi, Shuhei;Konishi, Hisatoshi;,期刊：Heterocycles, 页码：599-609 , 文章类型： 研究论文，,卷期：2008年75-3]
- An efficient route for the prepn. of 1,3-dihydroisobenzofurans based on the iodine-mediated cyclization of 2-vinylbenzyl alcs., which can be prepd. feasibly by reactions of 2-vinylphenyllithiums with carbonyl compds., is...
- Synthesis of 4'-thiopurine nucleosides using hypervalent iodine compounds.
[作者：Nishizono, Naozumi;Soma, Kayo;Baba, Ryosuke;Machida, Minoru;Oda, Kazuaki;,期刊：Heterocycles, 页码：619-634 , 文章类型： 研究论文，,卷期：2008年75-3]
- The reaction of a silylated purine base with thiofuranoid using Ph iodosyl bis(trifluoroacetate) gave 4'-thio purine nucleosides, e.g. I.
- Chlorotrimethylsilane mediated synthesis of 5-(2-hydroxybenzoyl)pyrimidines from 3-formylchromones.
[作者：Ryabukhin, Sergey V.;Plaskon, Andrey S.;Volochnyuk, Dmitriy M.;Pipko, Sergey E.;Tolmachev, Andrey A.;,期刊：Heterocycles, 页码：583-597 , 文章类型： 研究论文，,卷期：2008年75-3]
- The recyclization of 3-formylchromones with a variety of 1,3-NCN-binucleophiles promoted by chlorotrimethylsilane was investigated. A simple and flexible general procedure for the synthesis of series of 5-(2-hydroxybenz...
- A facile synthesis of 4-aryl-5-alkoxycarbonyl-6-hydroxy-6-methyl-4,5,6,7-tetrahydro-3-hydroxy -2-(pyridin-2-yl)-indazoles and their NMR characterizations.
[作者：Amirthaganesan, Shanmugasundaram;Aridoss, Gopalakrishnan;Park, Young Hwan;Kim, Jong Su;Son, Se Mo;Jeong, Yeon Tae;,期刊：Heterocycles, 页码：537-554 , 文章类型： 研究论文，,卷期：2008年75-3]
- (Heterocyclic Compounds (More Than One Hetero Atom)) Section A series of N-pyridinyl tetrahydroindazoles have been synthesized by a convenient and regioselective method by taking cyclic b-ketoesters as scaffolds. An opt...
- A simple synthesis of a-nitro-d-keto nitrile.
[作者：Nishiwaki, Nagatoshi;Nogami, Tomoko;Ariga, Masahiro;,期刊：Heterocycles, 页码：675-681 , 文章类型： 研究论文，,卷期：2008年75-3]
- a-Nitro-d-keto nitrile was effectively synthesized in one-pot from pyridinium salt of nitroisoxazolone by ring opening reaction followed by condensation with two mols. of acetone via pyrrolidinium salt of 2,4-di-aci-nitr...
- Synthesis and spectroscopic properties of 2,5-bis(benzoazol-2-yl)pyrazines.
[作者：Saito, Ryota;Machida, Shinnosuke;Suzuki, Saori;Katoh, Akira;,期刊：Heterocycles, 页码：531-536 , 文章类型： 研究论文，,卷期：2008年75-3]
- Fluorescent Brighteners, and Photographic Sensitizers) Section A class of p-conjugated 2,5-bis(2-benzoazolyl)pyrazine dyes have been synthesized in which 2,5-bis(2-benzimidazolyl)pyrazine (I) exhibits strong fluorescence...
- Facile one-pot reaction for the regioselective syntheses of 2H-[1,2,4]thiadiazolo[2,3-a]pyrimidine derivatives.
[作者：Liu, Guohua;Yao, Mei;Xue, Yunning;Fang, Haibin;Cao, Xiaowei;,期刊：Heterocycles, 页码：655-660 , 文章类型： 研究论文，,卷期：2008年75-3]
- A convenient and rapid method for the prepn. of 2H-1,2,4-thiadiazolo[2,3-a]pyrimidine derivs. (I; X = OMe, Cl, OEt, Me; Y = OMe, OEt) was developed. The investigations of their regioselective syntheses through a compari...
- Reaction of 1,3-oxathin-6-ones with bases: synthesis of 4-mercapto-2-pyrone.
[作者：Okuma, Kentaro;Koda, Masahiro;,期刊：Heterocycles, 页码：571-576 , 文章类型： 研究论文，,卷期：2008年75-3]
- The reaction of 4-phenyl-1,3-oxathiin-6-one 3,3-dioxide (I) with secondary amines gave cinnamamides and ammonium sulfinates. On with LDA, followed by addn. of benzoyl chloride, gave II (R = CH2COPh) and its isomer (III)...
- Pyrolytic study of cyclic 2-azidoketones.
[作者：Chou, Chin-Hsing;Chu, Li-Tse;Chen, I-Ying;Wu, Bo-Jian;,期刊：Heterocycles, 页码：577-582 , 文章类型： 研究论文，,卷期：2008年75-3]
- Flash vacuum pyrolysis of 2-azidocyclohexanone (1) gave a condensed dimer (6), a ring expanded product (7) and 2-methylpyridine (8). On the other hand, pyrolysis of 2-azidocyclopentanone (4) and 2-azidocycloheptanone (5...
- Three new furanosesquiterpenoids from Bombax malabaricum and revised NMR assignment of hibiscone C.
[作者：Zhang, Xiaohui;Zhang, Shuwei;Xuan, Lijiang;,期刊：Heterocycles, 页码：661-668 , 文章类型： 研究论文，,卷期：2008年75-3]
- bombaside, bombaxone, and 7b-O-b-glucopyranosyl bombaxone, were isolated from the roots of Bombax malabaricum. Their structures were characterized by extensive 1D and 2D NMR spectroscopic analyses. The NMR assignment o...
- Flavonoidal c-glycosides from Abutilon pakistanicum.
[作者：Hussain, Munawar;Zahra, Durey Nayab;Malik, Abdul;Ejaz, Asma;Siddiqui, Hina;Choudhary, Muhammad Iqbal;Ahmed, Zaheer;,期刊：Heterocycles, 页码：645-653 , 文章类型： 研究论文，,卷期：2008年75-3]
- Two new flavonoidal C-glycosides provisionally named as pakistoside A (I) and pakistoside B have been isolated from the aerial parts of Abutilon pakistanicum. Their structures have been assigned through detailed spectra...
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