Recently I am researching about ONE-POT SYNTHESIS; H FUNCTIONALIZATION; ACTIVATION; SULFONYLATION; C(SP(2))-H; SODIUM, Saw an article supported by the Shandong Provincial Natural Science FoundationNatural Science Foundation of Shandong Province [ZR2017LB006]; Science Foundation of Educational Commission of Shandong Province of China [J17KA248]. Published in ELSEVIER in AMSTERDAM ,Authors: Han, JF; Wang, K; You, GR; Wang, GD; Sun, J; Duan, GY; Xia, CC. The CAS is 98-97-5. Through research, I have a further understanding and discovery of Pyrazine-2-carboxylic acid. Recommanded Product: Pyrazine-2-carboxylic acid
A novel and regioselective protocol for C-S coupling of naphthylamines via the insertion of sulfur dioxide was developed by employing a heterogeneous copper catalyst, providing desired products in moderate to good yields. This strategy gives a powerful tool for the efficient preparation of sulfur-containing compounds. Control experiments declared that a single-electron transfer mechanism (SET) is responsible for this C-S cross coupling reaction.
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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem