Adding a certain compound to certain chemical reactions, such as: 51122-91-9, name is Dimethyl Isopropylmalonate, belongs to esters-buliding-blocks compound, 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 51122-91-9, Application In Synthesis of Dimethyl Isopropylmalonate
Potassium hydroxide (32.2 g) and toluene (250 mL) were taken into a round bottom flask and stirred for about 10 minutes. Dimethylisopropyl malonate (50 g) and tetrabutylammonium bromide (10 g) were then added to it and again stirred for about 10 minutes, trans-lambda ,3-Dichloropropene (35 g) was added to the reaction mixture and maintained at about 30-35 C for about 4 hours. After the reaction was completed, the reaction mass was quenched with water (500 ml_) and stirred for about 10 minutes. The reaction mixture was extracted into toluene (250 ml_), and the toluene layer was washed with water and then evaporated under reduced pressure to afford 51 g (82% yield) of (£)-dimethyl 2- (3-chloroallyl)-2-isopropylmalonate as a dark brown viscous liquid. Purity by GC: 96.84%
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Reference:
Patent; DR. REDDY’S LABORATORIES LTD.; DR. REDDY’S LABORATORIES, INC.; KOLLA, Naveen Kumar; APPAYE, Kaliyaperumal Srinivasan; GANGULA, Srinivas; GOVINDAPUR, Rajeshwar Reddy; MANNE, Nagaraju; NIKUMBH, Satish Pandurang; NEELAM, Uday Kumar; JOSEPH, Suju Chuttippari; BADDAM, Sudhakar Reddy; KUNHIMON, Shyam Kumar Unniaranpurakkal; MOOVENDAN, Mohan; DAHANUKAR, Vilas; DONIPARTHI, Kiran Kumar; WO2012/21446; (2012); A2;,
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