Synthesis and characterization of new mono-, bis-, and tris-oxamato proligands
作者:Christophe Stroh、Alexandrina Stuparu
DOI:10.1016/j.tetlet.2010.07.117
日期:2010.9
This communication presents the synthesis and the characterization of new organic molecules bearing up to three N-phenyl-oxalamic acid ethyl esters. The syntheses are based on Sonogashira-type cross-coupling reactions with preformed oxalamic ester intermediate building blocks. The short synthetic pathways lead easily to valuable potential oxamato-bridging ligands with overall interesting yields.
The synthesis and biological activity of aryl(heteryl)amides of 2-amino-1,3,4-thiadiazole-5-sulfonyloxamic acids
作者:V. P. Chernykh、Zh. P. Bulada、P. A. Bezuglyi、V. I. Makurina、L. N. Voronina、A. I. Goncharov、V. A. Chubenko
DOI:10.1007/bf00777659
日期:1979.9
CHERNYX V. P.; BULADA ZH. P.; BEZUGLYJ P. A.; MAKURINA V. I.; VORONINA L.+, XIM.-FARMATS. ZH., 1979, 13, HO 9, 32-36
作者:CHERNYX V. P.、 BULADA ZH. P.、 BEZUGLYJ P. A.、 MAKURINA V. I.、 VORONINA L.+
DOI:——
日期:——
US4483707A
申请人:——
公开号:US4483707A
公开(公告)日:1984-11-20
Visible‐Light Induced C‐3 Carbamoylation of Quinoxalinones Assisted by EDA Complex
作者:Aznur Azim、Tanumoy Mandal、Vidhul Vasudevan、Shefali Patra、Suman De Sarkar
DOI:10.1002/adsc.202400356
日期:——
A visible‐light‐promoted strategy for the decarboxylative C‐3 carbamoylation of quinoxalinone scaffolds is developed. This approach initiates through the formation of an EDA complex between oxamic acid and quinoxalinone. Successive SET and decarboxylative carbamoylation construct the C‒C bond. This method utilizes aerial oxygen as the green oxidant and eradicates the process from the use of external photocatalysts and transition metals. Detailed synthetic and photophysical studies enlighten the reaction pathway.