Electric Literature of 90390-33-3, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 90390-33-3, name is 3-Chloro-5-fluorobenzylamine, This compound has unique chemical properties. The synthetic route is as follows.
Triethylamine (0.74 ml) and propanephosphoric anhydride (T3P; 1.02 g) are added at 0 C. to a solution of 2-oxo-1-phenylazepane-3-carboxylic acid (250 mg) and 3-chloro-5-fluorobenzylamine (205 mg) in dichloromethane (15 ml). When the reaction has been brought to completion at RT, the mixture is diluted with further dichloromethane and washed with 10% sodium bicarbonate solution and saturated NaCl solution. The organic phase is treated in the usual manner, and the residue is purified, giving the product as colourless solid in a yield of 87% (350 mg); 10430] LCMS: mass found (M+1,375.2)10431] MethodA: 0.1%ofTFAinH2O, B: 0.1%ofTFAin ACN: flow-2.0 ml/min.10432] Column: X Bridge C8 (50×4.6 mm, 3.5 tm)+ve mode10433] Rt (mm): 4.57 area % 98.66 (max), 97.22 (220 nm) 10434] HPLC:10435] MethodA: 0.1% of TFA in H20, B: 0.1% of TFA inACN, flow rate: 2.0 ml/min10436] Column: XBridge C8 (50×4.6) mm, 3.5 tm10437] Rt (mm): 4.63 area % 97.55 (max), 97.87 (220 nm);10438] ?H NMR (400 MHz, DMSO-d5): oe [ppm]8.37-8.36(m, 1H), 7.40-7.36 (m, 2H), 7.27-7.20 (m, 6H), 4.44-4.38 (m,1H), 4.25-4.20 (m, 1H), 3.92-3.83 (m, 2H), 3.60-3.59 (m,1H), 2.03-2.01 (m, 1H), 1.98-1.95 (m, 1H), 1.78-1.63 (m,4H).
The chemical industry reduces the impact on the environment during synthesis 3-Chloro-5-fluorobenzylamine. I believe this compound will play a more active role in future production and life.
Reference:
Patent; MERCK PATENT GmbH; Heinrich, Timo; Zenke, Frank; Krier, Mireille; Friese-Hamim, Manja; Seenisamy, Jeyaprakashnarayanan; US2015/31670; (2015); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics