- SYNTHETIC STUDIES ON NATURAL PTERIN GLYCOSIDES
[作者:HANAYA TADASHI; YAMAMOTO HIROSHI,期刊:Heterocycles, 页码:2375-+ , 文章类型: Review,,卷期:2012年85-10]
- Some pterins having various kind of sugars attached to the hydroxyalkyl side-chain at C-6 are known to occur in certain prokaryotes as exemplified by 2'-O-(alpha-D-glucopyranosyl)biopterin isolated from various kinds of ...
- NOVEL HETEROCYCLIC DERTVATIVES OF 2-QUINOLINONE ASSOCIATED WITH ANTIBACTERIAL AND ANTITUMOR POTENCIES
[作者:HASSANIN HANY M; ELEDFAWY SOMAYA M,期刊:Heterocycles, 页码:2421-+ , 文章类型: Article,,卷期:2012年85-10]
- 3-(2,2-Dichloroacetyl)-4-hydroxy-1-methylquinolin-2(1H)-one (2) was utilized to obtain several new quinolinones bearing imidazole, quinoxaline, 1,2,4-triazine, pyridotriazine and triazolotriazine heterocycles as substitu...
- SUZUKI-MIYAURA COUPLING REACTIONS OF 3,5-DICHLORO-1,2,4-THIADIAZOLE
[作者:FARAHAT ABDELBASSET A; BOYKIN DAVID W,期刊:Heterocycles, 页码:2437-+ , 文章类型: Article,,卷期:2012年85-10]
- 3,5-Dichloro-1,2,4-thiadiazole was allowed to react with different arylboronic acids under different Suzuki-Miyaura coupling conditions: at room temperature 5-aryl-3-chloro-1,2,4-thiadiazoles were obtained and at toluene...
- SYNTHESIS, REACTIONS, AND REARRANGEMENTS OF 2,4-DIAZABICYCLO[3.1.0]HEXAN-3-ONES
[作者:QUAST HELMUT; STAWITZ JOSEF WALTER; MUELLER BODO,期刊:Heterocycles, 页码:2449-+ , 文章类型: Article,,卷期:2012年85-10]
- Copper-mediated cyclopropanation of 1,3-dialkyl-1,3-dihydroimidazol-2-ones with diazomethane and methyl diazoacetate yields 2,4-diazabicyclo[3.1.0]hexan-3-ones and the first diaza[4.3.1]propellane. The bicyclic system su...
- SYNTHESIS OF DIHYDRODIBENZO[b,f]FURO[2,3-d]OXEPINS AND RELATED REACTIONS
[作者:MAEMURA YASUNOBU; TANOUE YUKA; NISHINO HIROSHI,期刊:Heterocycles, 页码:2491-+ , 文章类型: Article,,卷期:2012年85-10]
- Nine dihydrodibenzo[bf]furo[2,3-d]oxepin derivatives were synthesized by the Mn(III)-based oxidative addition of dibenz[bf]oxepins at C10-C11 with acetic anhydride, acetylacetone, dialkyl malonates, and malonamide. Oxida...
- ONE-POT SYNTHESIS OF MACROCYCLIC TETRALACTONES VIA THE SEQUENTIAL INTER- AND INTRAMOLECULAR [2+2] PHOTOCYCLOADDITION REACTIONS OF DI-2-PYRONES WITH POLYETYLENE GLYCOL DIMETHACRYLATES
[作者:SHIMO TETSURO; MATSUKUBO HIDEKI; ZHANG HUI MIN,期刊:Heterocycles, 页码:2531-+ , 文章类型: Article,,卷期:2012年85-10]
- The sensitized photocycloaddition reactions of 6,6'-dimethyl-4,4'[1,7-(1,4,7-trioxaheptyl)]-di-2-pyrone (1a) and 6,6 '-dimethyl-4,4 '-[1,10-(1,4, 7,10-tetraoxadecyl)]-di-2-pyrone (1b) with polyethylene glycol dimethacryl...
- STEREOSPECIFIC SYNTHESIS OF trans-1,4-DIPHOSPHACYCLOHEXANES
[作者:MORISAKI YASUHIRO; IMOTO HIROAKI; KATO RYOSUKE; OUCHI YUKO; CHUJO YOSHIKI,期刊:Heterocycles, 页码:2543-+ , 文章类型: Article,,卷期:2012年85-10]
- Stereospecific synthesis of trans-1,4-diphosphacyclohexanes via intramolecular oxidative coupling of P-stereogenic bisphosphine borane complexes is reported. Regardless of the enantiopurity of the starting materials, onl...
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