Zobrazeno 1 - 10
of 49
pro vyhledávání: '"John P. Chupp"'
Autor:
John P. Chupp
Publikováno v:
Journal of Heterocyclic Chemistry. 31:1377-1380
Utilizing the recently reported compound, 1-methyl-5-(trifluoromethyl)-2,3,4,5-tetrahydropyrazol-3-one, 4, a series of regional isomers of 1-methyl-5-(trifluoromethyl)-3-chloropyrazole, newly substituted in the 4-position were prepared by original sy
Publikováno v:
Journal of Heterocyclic Chemistry. 30:789-798
A simple synthesis involving fusion of catechol and derivatives with 3,4,5-trichloropyridazine has furnished 4-chloro[1,4]benzodioxino[2,3-c]pyridazines 5 for the first time. This new method complements the previously reported base promoted procedure
Publikováno v:
The Journal of Organic Chemistry. 58:245-248
Autor:
John P. Chupp
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 22
The title compounds 2, have now been shown to arise in certain cases from condensation of aromatic ortho-diesters with ketone, where formerly only indeno[1,2-c]pyrazol-4(1H)-ones 3 have been reported from such reaction. Heretofore 2 was obtained in a
Autor:
J. E. Kaufmann, L. Y. L. Sing, Gina L. Stikes, John M. Molyneaux, John P. Chupp, S. K. Parrish, J. E. Normansell, L. F. Lee
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 24
Publikováno v:
ChemInform. 24
Publikováno v:
Journal of Agricultural and Food Chemistry. 39:981-986
The synthesis and SAR of herbicidal N-substituted 2,6-bis(polyfluoromethyl)-1,2-dihydropyridine-3, 5-dicarboxylates are described. N-substituted dihydropyridines were readily prepared by treatment of the corresponding dihydropyridyl anions with elect
Publikováno v:
Journal of Heterocyclic Chemistry. 28:613-617
The title compounds 2, have now been shown to arise in certain cases from condensation of aromatic ortho-diesters with ketone, where formerly only indeno[1,2-c]pyrazol-4(1H)-ones 3 have been reported from such reaction. Heretofore 2 was obtained in a