Adding a certain compound to certain chemical reactions, such as: 3618-04-0, name is trans-Ethyl 4-hydroxycyclohexanecarboxylate, 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 3618-04-0, SDS of cas: 3618-04-0
Chloro(1 ,1-dimethylethyl)dimethylsilane (1 15 g; 0.76 mol) was added in portions over 1 hour to a solution of commercially available ethyl 4-hydroxycyclohexanecarboxylate (118 g; 0.68 mol), imidazole (103 g; 1.52 mol) and dimethylformamide (400 ml.) stirred under an atmosphere of argon. A small exotherm was observed resulting in the reaction mixture temperature increasing to -40 0C. The mixture was stirred at room temperature overnight then poured into 10% citric acid solution (2 L) and extracted with diethyl ether (2 x 800 ml_). The ether extracts were washed with water, brine and then dried (Na2SC>4) and the solvent was removed to give the title compound as an oil (198.4 g) 1H NMR delta (CDCI3, 400 MHz): 0.01 (6H, m), 0.85 (9H, s), 1.2 (3H, m), 1.3-1.5 (2H, m), 1.6 (2H, m), 1.85-2 (3H, m), 2.15-2.3 (1 H, m) 3.5 (0.4H, m) 3.86 (1 H, m) 4.1 (1 H, m).
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Reference:
Patent; GLAXO GROUP LIMITED; WO2009/37294; (2009); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics