Adding a certain compound to certain chemical reactions, such as: 15861-23-1, name is Indoline-5-carbonitrile, belongs to indolines-derivatives 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 15861-23-1, name: Indoline-5-carbonitrile
A mixture of the compound of Part D (0.3 g, 0.72 mol) and 5-cyanoindoline (0.1 g, 0.694 mmol) in 2.5 mL 1,2-dichloroethane was stirred under N2 for 10 min, followed by the addition of sodium triacetoxyborohydride (0.22 g, 1.04 mmol, 1.5 eq.). The mixture was then stirred overnight at rt. The reaction was quenched by addition of water and 1M NaOH and extracted 3¡Á with CH2Cl2. Extracts were combined, washed with brine and dried over anh. Na2SO4, filtered and evaporated. Chromatography on silica gel (hexane/ethyl acetate 75:25) provided the desired alkylated product as a white foam (120 mg, 32%). 1HNMR (300 MHz, CDCl3) delta 8.27 (s, 1H); 7.93 (d, 1H); 7.30 (6H, m); 7.13-7.02 (6H, m); 6.18 (1H, bt), 5.88 (d, 1H, J=6 Hz); 5.03 (2H, dd, J=18, 10.8); 3.96, (s, 2H); 3.32 (t, 2H, J=6 Hz); 2.81 (t, 2H, J=6 Hz); 1.92 (m, 1H); 1.00 (6H, d, J=6.6 Hz). MS m/z 544.3 (M+H)+.
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Reference:
Patent; Smallheer, Joanne M.; Quan, Mimi L.; Wang, Shuaige; Bisacchi, Gregory S.; US2004/220206; (2004); A1;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem