Some common heterocyclic compound, 120758-03-4, name is 2-Chloro-3,5-dimethoxyaniline, molecular formula is C8H10ClNO2, 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. Formula: C8H10ClNO2
Step 4: Synthesis of Intermediate 5 [00522j Into a sealed vessel was added Intermediate 4 (1.50 g, 8.00 mmol) in DMA (5 mL, 53.3 mmol), followed by DIPEA (820 tl, 8.80 mmol). The reaction mixture was allowed to stir for 10 mm. at ambient temperature, and 2,4-dichloro-5-(iodomethyl)pyrimidine from Example 1 (2.31 g, 8.00 mmol) was added. The reaction mixture was allowed to stir at 60 C for 7.5 h, then 16 h at ambient temperature. The reaction mixture was concentrated and azeotroped several times with toluene. EtOAc was added and the organic layer washed with brine (3 x). The organic layers were dried with sodium sulfate, concentrated and purified by flash column chromatography (eluting with 5-25% EtOAc in heptane) to give 1.75 g of the title compound MS mlz: 348.2 (M+H).
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 120758-03-4, its application will become more common.
Reference:
Patent; CELGENE AVILOMICS RESEARCH, INC.; SANOFI; D’AGOSTINO, Laura Akullian; SJIN, Robert Tjin Tham; NIU, Deqiang; MCDONALD, Joseph John; ZHU, Zhendong; LIU, Haibo; MAZDIYASNI, Hormoz; PETTER, Russell C.; SINGH, Juswinder; BARRAGUE, Matthieu; GROSS, Alexandre; MUNSON, Mark; HARVEY, Darren; SCHOLTE, Andrew; MANIAR, Sachin; WO2014/144737; (2014); A1;,
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