21905-86-2,Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one,introducing its new discovery.
To a solution OF 4- [ (Z)- (4-BROMOPHENYL) (ethoxyimino) methyl]-1- (4-methyl-4- piperidinyl) piperidine (50 mg, 0.12 MMOL), cinnoline-4-carboxylic acid (25mg, 0.14 mmol), Et3N (0.06 mL, 0.43 MMOL) in DMF (3 mL, anhydrous) was added HATU (60mg, 0. 16MMOL) at room temperature. After 16 h the reaction mixture was poured into ice water, and the solid was collected by filtration. The solid was dissolved in CH2CI2, and dried over NA2SO4. Concentration in vacuo, and purification by preparative TLC (CH2CI2-MEOH, 9: 1) afforded the title compound as a light yellow powder. MS: 564 (M+).
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 21905-86-2 is helpful to your research. 21905-86-2
Reference£º
Patent; SCHERING AKTIENGESELLSCHAFT; WO2004/113323; (2004); A1;,
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