In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 667463-64-1 as follows. SDS of cas: 667463-64-1
I-5.1 (15.0 g, 63 mmol) and hydrazine hydrate (30 mL, 618 mmol) are heated to 125 C. for 72 h. To the cool reaction mixture DCM is added and extracted with water and 1 M HCl. The organic layer is dried over MgSO4 and concentrated. The crystallized residue is dissolved in DCM, methanol is added and the DCM is removed under vacuum. The crystallized product is filtered with sunction and washed with cold methanol. Yield 63%, m/z 226/228 [M+H]+, rt 1.16 min, LC-MS Method V001-003
According to the analysis of related databases, 667463-64-1, the application of this compound in the production field has become more and more popular.
Reference:
Patent; BOEHRINGER INGELHEIM INTERNATIONAL GMBH; ANDERSKEWITZ, Ralf; GRAUERT, Matthias; GRUNDL, Marc; OOST, Thorsten; PAUTSCH, Alexander; PETERS, Stefan; US2014/275159; (2014); A1;,
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