Formula: C5H4N2O2. I found the field of Chemistry very interesting. Saw the article Pd(II)-catalyzed, Picolinamide-aided sp(2) gamma-C-H Functionalization of Phenylglycinol: Access to gamma-C-H Arylated, Alkylated and Halogenated Phenylglycinol Scaffolds published in 2021, Reprint Addresses Babu, SA (corresponding author), Indian Inst Sci Educ & Res IISER Mohali, Dept Chem Sci, Sect 81, Manauli Po 140306, Punjab, India.. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid.
We report the Pd(II)-catalyzed picolinamide-aided ortho-C-H arylation-, alkylation-, and halogenation (sp(2) gamma-C-H functionalization) of phenylglycinol substrates. Phenylglycinols are remarkable building blocks and have found different applications in synthetic organic and medicinal chemistry. This work is a contribution towards the expansion of the library of phenylglycinol scaffolds and also substrate scope development by using the Pd(II)-catalyzed bidentate directing group picolinamide-aided C-H activation tactic.
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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem