Results 121 to 130 of about 7,031 (227)

Synthesis of some new quinoxalines with expected pharmacological activities [PDF]

4-Methylphenylenediamine 1 was reacted with α-dicarbonylsto give quinoxalines 2a-g, 4a-d and/or 7a-c.Quinoxalines 7a-c were converted into dihydropyridazinoquinoxalines 9a-c, thienoquinoxalines 10a-c and/or dichloroquinoxalines 11a-c.
Assy, M.G., Khalil, A., Sherif, M.H., Zahran, F.   +3 more
core  

The impact of weather variability and climate change on pesticide applications in the US - An empirical investigation [PDF]

Weather variability and climate change affect the application of pesticides in agriculture, in turn impacting the environment. Using panel data regression for the US, we find that weather and climate differences significantly influence the application ...
Nikolinka G. Koleva, Richard S.J. Tol, Uwe a Schneider   +2 more
core  

EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF); Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FEG.17Rev2): Pyrazine derivatives from chemical group 24 [PDF]

, 2011
Aeschbacher, Ajimu, Ajimu, Anderson, Babish, Babish, Beedham, Beedham, Beedham, Beutin, Burdock, Béraud, Cashman, Cashman, Cashman, Cashman, CoE, Cramer, D'Souza, Damani, Damani, Damani, Dutton, EC, EC, EC, EC, EC, EFFA, EFFA, Elfarra, Epler, Fung, Galloway, Hashimoto, Hawksworth, Hogben, Hoodi, IOFI, JECFA, JECFA, Knize, Koyama, Lee, Liang, Maiorino, McBain, McMahon, Moran, Nickson, Nickson, Nnane, Novotny, Ogura, Osborne, Oser, Oser, Oser, Oser, Oser, Oser, Parkinson, Posternak, Posternak, Rettie, Richardson, Rosenkranz, Sadeque, Sadeque, San RHC, SCF, SCF, Schranker, Sjödin, Stich, Stubley, Stubley, Sullivan, TNO, TNO, Topham, Tsai, Turesky, Vollmuth, Wallin, Wheldon, Whitehouse, Wild, Williams, Yamada, Yamada, Yamada, Yamamoto, Yamamoto, Yoshihara, Zeiger, Ziegler   +96 more
core   +1 more source

Quinoxalines. XI. : On Quinoxaline 1-Oxide

YAKUGAKU ZASSHI, 1967
openaire   +3 more sources

Steroidal quinoxalines

Journal of Heterocyclic Chemistry, 1975
Catsoulacos, P., Kyriakidis, N.
openaire   +2 more sources

Reusable nano-catalyzed green protocols for the synthesis of quinoxalines: an overview. [PDF]

RSC Adv, 2023
Keri RS, Reddy D, Budagumpi S, Adimule V.   +3 more
europepmc   +1 more source

Synthesis of 2-(Quinoxalin-2-yl)acetamides and Their Preliminary Cytotoxic and Antibacterial Activity. [PDF]

Chem Biodivers
Tovar-Roman CE, Hernández-Vázquez E, Rivera-Chávez JA.   +2 more
europepmc   +1 more source

Mild and Green Methodology for NIS-Mediated Synthesis of Quinoxalines from <i>o</i>‑Phenylenediamines and Sulfoxonium Ylides at Room Temperature. [PDF]

ACS Omega
Parveen H, Mukhtar S, Albalawi MO, Khasim S, Wani MY.   +4 more
europepmc   +1 more source

Facile Chemodivergent Synthesis of Fused Indolo[2,3‑<i>b</i>]quinoxalines and Benzo[4,5]imidazo[1,2‑<i>c</i>]quinazolin-6(5<i>H</i>)‑ones: An Organocatalytic Trifluoromethanesulfonic Acid-Controlled Mechanistic Switch between Condensation and Ring Expansion of the Isatin Core. [PDF]

ACS Omega
Sheeba L, Sudheer N, Khanra R, Saigal, Seth K.   +4 more
europepmc   +1 more source

Bioorthogonal Cyclization Reactions for the Synthesis of Cytotoxic Drugs in Cancer Treatment. [PDF]

ACS Omega
Dal Forno GM, Neto BAD, Domingos JB.
europepmc   +1 more source