Electric Literature of 18740-39-1, Adding some certain compound to certain chemical reactions, such as: 18740-39-1, name is 2,4-Dichlorothieno[2,3-d]pyrimidine,molecular formula is C6H2Cl2N2S, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 18740-39-1.
Example 9 2,4-Bis(2-methylphenylamino)thieno[2,3-d]pyrimidine 2,4-Dichlorothieno[2,3-d]pyrimidine (1.5 g, 0.0073 mol) and o-toluidine (5 ml) were heated in an oil bath at 160° for 2 hours. The reaction mixture was dissolved in chloroform (200 ml) and washed with 2N hydrochloric acid (3 x 100 ml), then sodium carbonate solution, dried over magnesium sulphate, filtered and evaporated under reduced pressure to give a solid, (1.98 g). The solid was purified by column chromatography using dichloromethane as eluant. The fractions containing the product were combined and evaporated under reduced pressure to give a solid. Recrystallization from diethyl ether/petroleum ether (b.p. 40-60°) gave the title compound, (1.0 g), m.p. 121-123°, References for starting materials
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 18740-39-1, 2,4-Dichlorothieno[2,3-d]pyrimidine, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; SMITHKLINE BEECHAM INTERCREDIT B.V.; EP404356; (1990); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia