Zobrazeno 1 - 10
of 29
pro vyhledávání: '"R. Garth Pews"'
Autor:
Anthony P. Haag, R. Garth Pews, Shari L. Kram, Chester E. Pawloski, Charles N. Brown, Jerry E. White
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 34:2967-2973
Base-initiated polymerizations of N,′N-dimethyl-1,3-benzenedisulfonamide or other N,′N-dialkyldisulfonamides with various arylene-diglycidyl ethers afford a broad range of poly(hydroxy ether sulfonamides) (2). Polymers 2, which represent a new fa
Publikováno v:
Pesticide Science. 43:263-266
A series of eleven 1,4-dithiino[2,3-b]quinoxaline-2,3-dicarbonitriles was prepared by reaction of 2,3-dichloroquinoxalines with disodium (2)-2,3-dimercapto-2-butenedinitrile in N,N-dimethylformamide. These products were tested for in-vitro fungicidal
Publikováno v:
Tetrahedron. 49:4809-4820
A number of 2,6-disubstituted and 2,3,6-trisubstituted anilines have been prepared via the selective para dehalogenation of the corresponding anilines. Modification of the substituents on the amino nitrogen demonstrates that the selectivity is derive
Autor:
R. Garth Pews, Ravi B. Shankar
Publikováno v:
Journal of Heterocyclic Chemistry. 30:169-172
The 1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamides are a new class of highly active herbicides. A novel cyclization method for the synthesis of these compounds is discussed.
Autor:
Shankar Ravi B, R. Garth Pews
Publikováno v:
ChemInform. 31
Publikováno v:
Tetrahedron Letters. 32:7191-7194
2,6-Disubstituted and 2,3,6-trisubstituted anilines have been synthesized by a four-step approach involving the selective reduction of a para halogen of the diacetanilide derivatives utilizing a palladium-on-carbon catalyst and formic acid salts as t
Autor:
R. Garth Pews, James A Gall
Publikováno v:
Journal of Fluorine Chemistry. 53:379-386
The preparation of 2,6-difluoroaniline and 1,2-difluorobenzene from 1,2,3- trichlorobenzene is described. An isomeric mixture of 1-chloro-2,3-difluorobenzene and 2-chloro-1,3-difluorobenzene is obtained from KF exchange on 1,2,3- trichlorobenzene. Se
Autor:
R. Garth Pews
Publikováno v:
Journal of Fluorine Chemistry. 87:65-67
A practical synthesis of 2-methoxy-6-trifluoromethylaniline is described via halogenation, nitration and reduction of 3-trifluoromethylanisole
Autor:
R. Garth Pews, James A Gall
Publikováno v:
The Journal of Organic Chemistry. 59:6783-6785
Autor:
R. Garth Pews, Shankar Ravi B
Publikováno v:
HETEROCYCLES. 53:1151