Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Dilip R. Birari"'
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 142:169-175
A series of various polysubstituted pyrazolo[3,4-h][1,6]naphthyridines, benzo[b]pyrazolo[3,4-h][1,6]naphthyridines, and pyrazolo[4′,3′:5,6]pyrido[4,3-d]pyrimidines were synthesized by Friedlander condensation of 4-amino-3-methyl-1-phenyl-1H-pyraz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f04b818fa62019e9c41b6a1087c3e73
https://doi.org/10.1007/s00706-010-0443-9
https://doi.org/10.1007/s00706-010-0443-9
Publikováno v:
Synthetic Communications. 40:1580-1587
A new series of 1-alkyl-2-oxo-1,2-dihydro-pyrimidine-5-carboxalic acid amides is described. The reaction of N-((E)-3-(dimethylamino)-2-formylacryloyl) formamidine, an intermediate obtained by Vilsmeier–Haack formylation of acetonitrile with various
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce7fa3856dab67490d9a9e843cd247d4
https://doi.org/10.1080/00397910903108521
https://doi.org/10.1080/00397910903108521
Autor:
Sanjay M. Jachak, Maruti Ghagare, Raghunath B. Toche, Dilip R. Birari, Muddassar A. Kazi, Madhukar N. Jachak, Ramhari V. Rote
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 141:569-576
A novel synthesis of pyrazole-4-carboxamides is reported. The reaction of N-(3-(dimethylamino)-2-formylacryloyl)formamide, an intermediate obtained by Vilsmeier–Haack formylation of acetonitrile, with hydrazine hydrate or monosubstituted hydrazines
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::148e3bfb8a6eba62f367046b8cd0d77a
https://doi.org/10.1007/s00706-010-0290-8
https://doi.org/10.1007/s00706-010-0290-8
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 141:451-459
N3-substituted 5-acetyluracils derived from corresponding N3-substituted 5-acetylcytosines are versatile functional precursors that allow the introduction of various aliphatic, aromatic, carbocyclic, and carbamoyl functionalities at N1-position. A se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::846f14244c9373286209fa588e8f6efa
https://doi.org/10.1007/s00706-010-0280-x
https://doi.org/10.1007/s00706-010-0280-x
Autor:
Maruti Ghagare, Bhausaheb K. Ghotekar, Dilip R. Birari, Madhukar N. Jachak, Raghunath B. Toche, Muddassar A. Kazi, Sandeep M. Bagul
Publikováno v:
Organic Preparations and Procedures International. 41:515-532
The isolation of cytosine from the hydrolysis of calf thymus tissue in 1894 and its structure determination in 1903, 1 followed by its first synthesis from 2-ethylthiopyrimidin-4(3H)-one are a few ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::849aa6f97e653003c4e85eef1aa55961
https://doi.org/10.1080/00304940903324390
https://doi.org/10.1080/00304940903324390
Publikováno v:
Journal of Heterocyclic Chemistry. 46:327-331
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a035f8e15103d8a880c482ea0f2e98f
https://doi.org/10.1002/jhet.76
https://doi.org/10.1002/jhet.76
Autor:
Santosh S. Shinde, Ramhari V. Rote, Madhukar N. Jachak, Deepak P. Shelar, Sandeep R. Patil, Dilip R. Birari, Sandip M. Bagul
Publikováno v:
Chemistry for Sustainable Development ISBN: 9789048186495
A series of 1,3,5-trisubstituted pyrazole derivatives were prepared from one asymmetrical polyfluorinated 1,3-diketone. The reactivity of substituted hydrazines towards the diketone compound is studied leading to the formation of regioisomers. The po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19dde1bdc7d7e9e3c0e5b0014eae2211
https://doi.org/10.1007/978-90-481-8650-1_8
https://doi.org/10.1007/978-90-481-8650-1_8
Publikováno v:
ChemInform. 42
A variety of novel pyrazolo-annulated heterocycles are synthesized by Friedlaender condensation reactions of o-aminoaldehyde (I).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8086d137927bafed0099ed1c596072ca
https://doi.org/10.1002/chin.201124163
https://doi.org/10.1002/chin.201124163
Publikováno v:
ChemInform. 41
A novel two-step approach to pyrimidines (IV) via the easily accessible formamidine precursor (I) is presented.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a8cefb34c323a90d9c6521d8019aacb
https://doi.org/10.1002/chin.201046155
https://doi.org/10.1002/chin.201046155
Publikováno v:
ChemInform. 41
The introduction of various functionalities at N-1 position of uracils (II) leads to derivatives of type (IV).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d1f71d8e8d3e8b0b83064e745eb10b5
https://doi.org/10.1002/chin.201037161
https://doi.org/10.1002/chin.201037161