- Dibenzo[b,f]oxepin-10(11H)-one and dibenzo[b,f]thiepin-10(11H)-one as useful synthons in the synthesis of various dibenzo[e,h]azulenes
[作者:PESIC DIJANA; LANDEK IVANA OZIMEC; RUPCIC RENATA; MODRIC MARINA; DZAPO IVA; TROJKO RUDOLF; MERCEP MLADEN; MESIC MILAN,期刊:Journal of Heterocyclic Chemistry, 页码:243-252 , 文章类型: Review,,卷期:2012年49-2]
- The present review focuses on dibenzo[b,f]oxepin-10(11H)-one (I, X = O) and dibenzo[b,f]thiepin-10(11H)-one (I, X = S) as common synthons in the efficient synthesis of various dibenzoxepino[4,5- and dibenzothiepino[4,5]-...
- Four component one-pot synthesis of novel 7,8-dihydroquinolin-5(1H,4H,6H)-one derivatives containing an ionone unit and in vitro antioxidant activity
[作者:FINDIK ESRA; CEYLAN MUSTAFA; ELMASTAS MAHFUZ,期刊:Journal of Heterocyclic Chemistry, 页码:253-260 , 文章类型: Article,,卷期:2012年49-2]
- A new class of novel 7,8-dihydroquinolin-5-(1H,4H,6H)-one derivatives (5ak) were synthesized by the one-pot four-component condensation of dimedon, a-ionone, ammonium acetate, and benzaldehyde derivatives. The structures...
- Polycyclic N-Heterocyclic Compounds, Part 69: Synthesis of 5-amino-1,2-dihydro[1]benzofuro[3,2-d]furo[2,3-b]pyridines and their transformations to related compounds
[作者:OKUDA KENSUKE; TAKANO JUNICHI; HIROTA TAKASHI; SASAKI KENJI,期刊:Journal of Heterocyclic Chemistry, 页码:281-287 , 文章类型: Article,,卷期:2012年49-2]
- Reaction of 3-(3-cyanopropoxy)[1]benzofuran-2-carbonitriles with potassium tert-butoxide gave 5-amino-1,2-dihydro[1]benzofuro[3,2-d]furo[2,3-b]pyridines and 5-amino-2,3-dihydro[1]benzofuro[3,2-b]oxepin-4-carbonitriles as...
- Quinolone analogs 11: Synthesis of novel 4-quinolone-3-carbohydrazide derivatives with antimalarial activity
[作者:KURASAWA YOSHIHISA; YOSHIDA KIMINARI; YAMAZAKI NAOKI; KAJI EISUKE; SASAKI KENJI; ZAMAMI YOSHITO; SAKAI YASUHIRO; FUJII TAKATOSHI; ITO HIDEYUKI,期刊:Journal of Heterocyclic Chemistry, 页码:288-292 , 文章类型: Article,,卷期:2012年49-2]
- The reaction of the 6-substituted 1-methyl-4-quinolone-3-carboxylates 10a,b with hydrazine hydrate gave the 3-carbohydrazides 7a,b, respectively, whose reaction with 2-, 3-, and 4-pyridinecarbaldehydes afforded the 3-(N2...
- Tetrahydropyridinium bromide: Useful synthon to functionalized pyrrolidines
[作者:GUIDERI LUCA; NOSCHESE ROSSELLA; PONTICELLI FABIO,期刊:Journal of Heterocyclic Chemistry, 页码:297-302 , 文章类型: Article,,卷期:2012年49-2]
- 1-benzyl-5-(ethoxycarbonyl)-2,3,4,5-tetrahydropyridinium bromide undergoes ring contraction with a series of nucleophiles, getting 2,2-disubstitued pyrrolidines. Moreover, from some of the new 2,2-disubstitued pyrrolidin...
- Synthesis of novel pyrazolo[3,4-d]pyrimidines peri-fused with 1,4-diazepine, 1,4-thiazepine, and 1,2,4-triazepine rings
[作者:MASEVICIUS VIKTORAS; JUSKENAS ROBERTAS; TUMKEVICIUS SIGITAS,期刊:Journal of Heterocyclic Chemistry, 页码:315-320 , 文章类型: Article,,卷期:2012年49-2]
- A simple and efficient synthesis of novel ortho- and peri-annulated heterocyclic systems2,6,7,9-tetrahydro-8H-pyrazolo[5,4,3-de]pyrimido[4,5-e][1,4]diazepine, 2,6,7,9-tetrahydro-8H-pyrazolo[5,4,3-de]pyrimido [5,4-f][1,4]...
- Novel synthesis of 1,2,4-triazolophanes and 1,3,4-oxadiazolophanes: A dieckmann condensation approach
[作者:CHANDE MADHUKAR S; SAJITHKUMAR C; MONDKAR HEMANT S; BARVE PRAVIN A; DIWAN SACHIN,期刊:Journal of Heterocyclic Chemistry, 页码:329-335 , 文章类型: Article,,卷期:2012年49-2]
- The Dieckmann condensation has been used for the first time for the syntheses of novel 1,2,4-triazolophanes and 1,3,4-oxadiazolophanes. The bis-1,3,4-oxadiazol-2-thiols 1a and 1b were reacted with ethyl bromoacetate to g...
- 1,3-dipolar cycloaddition reactions of 2-substituted azomethine N-oxides with N-benzyl maleimides leading to the synthesis of stereoisomers
[作者:BADRU RAHUL; SHAH SAKSHI; SINGH BALDEV,期刊:Journal of Heterocyclic Chemistry, 页码:336-341 , 文章类型: Article,,卷期:2012年49-2]
- The azomethine N-oxides (1) on reacting with N-benzylmaleimide (2) provide a mixture of stereoisomers 2,3-diphenyl-5-benzyl-4H-2,3,3a,5,6,6a-hexahydropyrrolo[3,4-d]isoxazole-4,6dione derivatives (3) in good yields. These...
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