Formula: C5H4N2O2. Authors Guin, S; Dolui, P; Zhang, XL; Paul, S; Singh, VK; Pradhan, S; Chandrashekar, HB; Anjana, SS; Paton, RS; Maiti, D in WILEY-V C H VERLAG GMBH published article about in [Guin, Srimanta; Dolui, Pravas; Paul, Satyadip; Singh, Vikas Kumar; Pradhan, Sukumar; Chandrashekar, Hediyala B.; Anjana, S. S.; Maiti, Debabrata] Indian Inst Technol, Dept Chem, Mumbai 400076, Maharashtra, India; [Zhang, Xinglong; Paton, Robert S.] Univ Oxford, Chem Res Lab, Dept Chem, Mansfield Rd, Oxford OX1 3TA, England in 2019, Cited 72. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5
Directed C-H functionalization has been realized as a complementary tool to the traditional approaches for a straightforward access of non-proteinogenic amino acids; albeit such a process is restricted mostly up to the gamma-position. In the present work, we demonstrate the diverse (hetero) arylation of amino acids and analogous aliphatic amines selectively at the remote delta-position by tuning the reactivity controlled by ligands. An organopalladium delta-C(sp(3))-H activated intermediate has been isolated and crystallographically characterized. Mechanistic investigations carried out experimentally in conjunction with computational studies shed light on the difference in the mechanistic picture depending on the substrate structure.
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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem