Electric Literature of 17321-93-6 ,Some common heterocyclic compound, 17321-93-6, molecular formula is C5H6BrN3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.
General procedure: The halo aryl (1.0 equiv) was dissolved in a mixture of water:dioxane (1:1). The boronic acid or ester(1.5 equiv) and potassium phosphate (5.0 equiv) were added. The solution was degassed byvacuum/argon cycles (10 times) before addition of PdCl2(PPh3)2 (10 molpercent) and further degassed (5times). The resulting mixture was stirred at 95 ¡ãC under argon atmosphere for 16-20 hours. Thereaction mixture was filtered through Celite and diluted with water (approx. 30 mL) before washingwith chloroform (3 x 30 mL). If not stated otherwise, the aqueous phase was concentrated underreduced pressure and applied to a C18 precolumn before purification on a 10g or 60 g C18 column witha gradient of acetonitrile in water (10-100percent) to yield the desired product.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,17321-93-6, its application will become more common.
Reference:
Article; Akhter, Sundus; Lund, Bjarte Aarmo; Ismael, Aya; Langer, Manuel; Isaksson, Johan; Christopeit, Tony; Leiros, Hanna-Kirsti S.; Bayer, Annette; European Journal of Medicinal Chemistry; vol. 145; (2018); p. 634 – 648;,
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