Adding a certain compound to certain chemical reactions, such as: 18711-15-4, name is 4,6-Dichloroisatin, 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 18711-15-4, HPLC of Formula: C8H3Cl2NO2
General procedure: A solution of 4,6-dichloroisatine (7.2 g, 33 mmol) in THF (120 ml) was dropwise added under nitrogen atmosphere to 3,4-dichlorophenylmagnesium bromide (200 ml, 0.5 M in THF). The mixture was stirred 4 h at 70 C, then NH4Claq was added. After extraction in EtOAc, the organic phase was washed three times with NaOH 1 N, then dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by column chromatography on silica gel (cyclohexane/EtOAc = 8/2) to give 11 (6.73 g, 56%) as a white solid.
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Reference:
Article; Puleo, Letizia; Marini, Pietro; Avallone, Roberta; Zanchet, Marco; Bandiera, Silvio; Baroni, Marco; Croci, Tiziano; Bioorganic and Medicinal Chemistry; vol. 20; 18; (2012); p. 5623 – 5636;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem