- Synthesis of Pyrazolopyridine 3-Carboxylates by Friedlander Condensation
[作者:TOCHE RAGHUNATH B; BHAVSAR DINESH C; KAZI MUDDASSAR A; BAGUL SANDEEP M; JACHAK MADHUKAR N,期刊:Journal of Heterocyclic Chemistry, 页码:287-291 , 文章类型: Article,,卷期:2010年47-2]
- A series of 1,3,6-trisubstituted and 1,3,5,6-tetrasubstituted pyrazolo [3,4-b] pyridines 5 have been synthesized by series of reactions on 1-phenyl-3-carboxylate pyrazolone to obtain o-aminoaldehycle, which undergo facil...
- Furan Ring Recyclization in 2-Furfurylthieno[2,3-b]pyridines: An Intramolecular N-alkylation of Pyrrole Ring under Acid Conditions
[作者:KOSULINA DARYA YU; VASILIN VLADIMIR K; STROGANOVA TATYANA A; KAKLYUGINA TATYANA YA; KRAPIVIN GENNADY D,期刊:Journal of Heterocyclic Chemistry, 页码:309-312 , 文章类型: Article,,卷期:2010年47-2]
- The preparation of new 3-amino-2-furfurylthieno[2,3-b]pyridines (1a,b, 69-80%) is described. Subsequent acidic rearrangement of 1a,b afforded two new annulated heterocyclic products, 5a,b, pyrrolothieno[2,3-b]pyridines (...
- An Efficient One-Pot Three Component Synthesis of 1,2-Dihydro-1-arylnaphtho[1,2-e][1,3]oxazine-3-ones Using Montmorillonite K10 under Solvent Free Conditions
[作者:KANTEVARI SRINIVAS; VUPPALAPATI SRINIVASU V N; BANTU RAJASHAKER; NAGARAPU LINGAIAH,期刊:Journal of Heterocyclic Chemistry, 页码:313-317 , 文章类型: Article,,卷期:2010年47-2]
- An efficient green protocol for the preparation of 1,2-dihydro-1-arylnaphtho[1,2-e][1,3]oxazine-3-ones employing a three-component one-pot condensation reaction of beta-naphthol, aromatic aldehyde, urea or thiourea in th...
- Synthesis of Tetrahetrocyclic Systems Including Pyrido[2 ',3 ':3,4]pyrazolo[1,5-a]pyrimidine Fused with Pyrazole Derivatives and Isolated with 1,3,4-Oxa-, Thiadiazole, and 1,2,4-Tetrazole Derivatives
[作者:ELESSAWY FARAG A,期刊:Journal of Heterocyclic Chemistry, 页码:318-323 , 文章类型: Article,,卷期:2010年47-2]
- A series of isolated and fused tetracyclic compounds, containing pyrido[2',3',:3,4]pyrazolo[1,5-a]pyrimidine linked with 1,3,4-oxa-, thiadiazole, 1,2,4-tetrazole, and pyrazole derivatives were prepared by the reaction of...
- One Pot Synthesis of Spiro Pyrimidinethiones/Spiro Pyrimidinones, Quinazolinethiones/Quinazolinones, and Pyrimidopyrimidines
[作者:GUPTA POONAM; GUPTA SHALLU; SACHAR ANAND; KOUR DALJEET; SINGH JASBIR; SHARMA RATTAN L,期刊:Journal of Heterocyclic Chemistry, 页码:324-333 , 文章类型: Article,,卷期:2010年47-2]
- Condensation of cyclohexane-1,3-dione/barbituric acid, thiourea/urea, and aromatic aldehyde in the mole ratio of 1:1:3 in solventless reaction in presence of NiCl2/KI afforded 1,5-diaryl-3-thioxo-2,4-diazaspiro[5.5]-unde...
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