- Synthesis of 2,4-disubstituted isoquinolin-1(2H)-ones based on reactions of a-substituted 2-lithio-b-methoxystyrenes with isocyanates.
[作者：Kobayashi, Kazuhiro;Hayashi, Kazutaka;Nam, Changeng;Fukamachi, Shuhei;Konishi, Hisatoshi;,期刊：Heterocycles, 页码：1225-1231 , 文章类型： 研究论文，,卷期：2008年75-5]
- An efficient method for the prepn. of 2,4-disubstituted isoquinolin-1(2H)-ones is described. The reaction of a-substituted 2-lithio-b-methoxystyrenes, generated by treating a-substituted 2-bromo-b-methoxystyrenes with b...
- The subtle co-catalytic intervention of benzophenone in radical cation mediated cyclization - an improved synthesis of 2-(3',4'-dimethoxyphenyl)indoline.
[作者：Thomas, Noel Francis;Kee, Chin-Hui;Ariffin, Azhar;Awang, Khalijah;Faizal Weber, Jean-Frederic;Lim, Chuan-Gee;Mukhtar, Mat Ropi;Hadi, A. Hamid A.;,期刊：Heterocycles, 页码：1097-1108 , 文章类型： 研究论文，,卷期：2008年75-5]
- The addn. of benzophenone to a FeCl3/CH2Cl2 mixt. in the presence of 3',4'-dimethoxy-2-acetamidostilbene unexpectedly leads to a dramatic improvement in yield of the indoline from 38% (previously reported) to 75.4%, afte...
- Efficient synthesis of 2-mono- and 2,3-disubstituted indoles via palladium-catalyzed oxidation of amino alcohols.
[作者：Aoyagi, Yutaka;Shishikura, Masahiro;Mizusaki, Toshihiko;Komine, Takashi;Yoshinaga, Tokuji;Inaba, Haruko;Ohta, Akihiro;Takeya, Koichi;,期刊：Heterocycles, 页码：1055-1059 , 文章类型： 研究论文，,卷期：2008年75-5]
- Amino alcs., obtained by reaction of N-protected o-toluidines or 2-ethylanilines with aldehydes, were deprotected and cyclized in the presence of Pd(PPh3)4 to give indoles (I; R = H, Me; R1 = alkyl, cyclohexyl, phenethyl...
- Synthesis of functionalized b-enamino compounds by carbon-fragment transfer reaction of C(2)-substituted imidazolidines with amines.
[作者：Zhang, Yongbin;Li, Donghong;Zhou, Guofu;Xia, Chizhong;Guo, Wei;,期刊：Heterocycles, 页码：1123-1131 , 文章类型： 研究论文，,卷期：2008年75-5]
- The substituted imidazolidines and a ring-opening product, N,N,N'-trisubstituted 2-methyl-ethylenediamine, derived from addn. of the carbon anions to 1-tosyl-3,4-dimethylimidazolinium iodide, were utilized to transfer su...
- ent-Sauchinone from Saururus chinensis.
[作者：Wang, Lishu;Zhao, Daqing;Cheng, Dongyan;Liu, Yonghong;,期刊：Heterocycles, 页码：1241-1246 , 文章类型： 研究论文，,卷期：2008年75-5]
- A new lignan ent-sauchinone was isolated from Saururus chinensis. The structure has been established on the basis of spectral methods and confirmed by X-ray crystallog. anal.
- MoO3/Al2O3: an efficient and reusable heterogeneous catalyst for solvent-free synthesis of coumarins via Pechmann condensation.
[作者：Singhal, Sweety;Jain, Suman L.;Sain, Bir;,期刊：Heterocycles, 页码：1205-1211 , 文章类型： 研究论文，,卷期：2008年75-5]
- Organic Chemicals, Leather, Fats, and Waxes) Section A catalyst of 16% MoO3 supported on alumina showed efficient performance in synthesis of various substituted coumarins via Pechmann condensation. This method offers s...
- Synthesis and DNA cleavage activity of 4,2':4',4'':2'',4'''-quaterthiazoles.
[作者：Sasaki, Hideaki;,期刊：Heterocycles, 页码：1061-1074 , 文章类型： 研究论文，,卷期：2008年75-5]
- A series of 4,2':4',4'':2'',4'''-quaterthiazole derivs. were readily synthesized via a novel five-steps reaction. The key reaction involved the condensation of 1,4-dibromobutane-2,3-dione with two equimolar amts. of 2-(...
- Synthesis and biological evaluations of new pyrrolo[2,3-b]pyrimidine as SDI analogs.
[作者：Guillard, Jerome;Viaud-Massuard, Marie-Claude;,期刊：Heterocycles, 页码：1163-1189 , 文章类型： 研究论文，,卷期：2008年75-5]
- The synthesis of new pyrrolo[2,3-d]pyrimidines variously substituted on the N-1 and C-2 atoms are described. Access to these compds., which have modest activity compared with the first inhibitor SDI, involves, as the ke...
- Structures of new triterpene glycosides, malbrancheosides A - D, from Malbranchea filamentosa.
[作者：Wakana, Daigo;Hosoe, Tomoo;Itabashi, Takeshi;Okada, Hideaki;Fukushima, Kazutaka;Kawai, Ken-ichi;,期刊：Heterocycles, 页码：1109-1122 , 文章类型： 研究论文，,卷期：2008年75-5]
- In the course of searching for new biol. active metabolites in Malbranchea filamentosa, four new triterpene glycosides, malbrancheosides A - D, were isolated. Their structures were confirmed by the chem. and spectroscop...
- Applicability of methyl 2,3,4-tri-O-benzoyl-1-methanesulfonyl-a-D-glucopyranuronate as a novel quaternary glucuronyl reagent for tertiary amines.
[作者：Araya, Ichiro;Akita, Hiroyuki;,期刊：Heterocycles, 页码：1213-1223 , 文章类型： 研究论文，,卷期：2008年75-5]
- Applicability of a Me 2,3,4-tri-O-benzoyl-1-methanesulfonyl-a-D-glucopyranuronate (I) as a novel quaternary glucuronyl reagent was investigated. The reaction of I with an arom. tertiary amines such as pyridine derivs. o...
- Unexpected unique behavior of spiro-isoquinolines with a cyclohexadienone system in attempted dienone-phenol rearrangement.
[作者：Shigehisa, Hiroki;Honda, Toshio;,期刊：Heterocycles, 页码：1233-1239 , 文章类型： 研究论文，,卷期：2008年75-5]
- 8',9'-Dimethoxy-1',5',6',10b'-tetrahydro-4H-spiro(cyclohexa-2,5-diene-1, 2'-pyrrolo[2,1-a]isoquinoline)-3',4-dione (I) with a basic skeleton of a natural product, annosqualine, exhibited unique behavior in a dienone-phen...
- Cyclization reactions of hydrazones. 31. Synthesis and study of reactivity of pyrrolo[3,2-e][1,2,4]triazine system.
[作者：Styskala, Jakub;Slouka, Jan;Cankar, Petr;,期刊：Heterocycles, 页码：1087-1095 , 文章类型： 研究论文，,卷期：2008年75-5]
- 2-Arylhydrazones were obtained by coupling diazonium salts with di-Et (3-methyl-1H-pyrrole)-2,4-dicarbamate. These were cyclized in a alk. medium to Et (2-aryl-5-methyl-3-oxo-2,3-dihydro-7H-pyrrolo[3,2-e][1,2,4]triazin-...
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