Some common heterocyclic compound, 2734-70-5, name is 2,6-Dimethoxyaniline, molecular formula is C8H11NO2, 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. SDS of cas: 2734-70-5
[015581 3-isothiocyanato-2,4-dimethoxypyridine, Example 771.1. A 2L round bottom flask was charged with 1,1?-thiocarbonyldi-2(1H)-pyridone (47.0 g, 202 mmol) and dissolved in dry DCM (405 mL). To that solution was added 2,6- dimethoxyaniline (31 g, 202 mmol) dissolved in DCM (405 mL) via an addition funnel at RT over 40 minutes. After 16 hours, the reaction was concentrated in vacuo and purified on silica gel (0-20percent EtOAc in heptanes) to give 2-isothiocyanato-1,3-dimethoxybenzene (32 g, 164 mmol, 81 percent yield). LCMS-ESI (POS.) mlz: 197.1 (M+H)t
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2734-70-5, its application will become more common.
Reference:
Patent; AMGEN INC.; CHEN, Ning; CHEN, Xiaoqi; CHEN, Yinhong; CHENG, Alan C.; CONNORS, Richard V.; DEIGNAN, Jeffrey; DRANSFIELD, Paul John; DU, Xiaohui; FU, Zice; HEATH, Julie Anne; HORNE, Daniel B.; HOUZE, Jonathan; KALLER, Matthew R.; KHAKOO, Aarif Yusuf; KOPECKY, David John; LAI, Su-Jen; MA, Zhihua; MCGEE, Lawrence R.; MEDINA, Julio C.; MIHALIC, Jeffrey T.; NISHIMURA, Nobuko; OLSON, Steven H.; PATTAROPONG, Vatee; SWAMINATH, Gayathri; WANG, Xiaodong; YANG, Kevin; YEH, Wen-Chen; DEBENEDETTO, Mikkel V.; FARRELL, Robert P.; HEDLEY, Simon J.; JUDD, Ted C.; KAYSER, Frank; (1266 pag.)WO2016/187308; (2016); A1;,
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