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876-82-4

1H-Inden-1-one, 2,3-dichloro- synthesis

6synthesis methods
-

Yield:876-82-4 87%

Reaction Conditions:

with oxalyl dichloride in fluorobenzene at 50; for 3 h;

Steps:

2.5.2. General procedure for the large scale synthesis of α,β-dichloroenones

General procedure: AuFeAg-NPs (35 mg, 10.0 mol.%) were added to a solution ofdiazodicarbonyl compound 1a (10.0 mmol, 1.660 g) and oxalylchloride (15 mL) in PhF (10.0 mL) at room temperature. The reac-tion mixture was stirred at 50C for 3 h until the reaction wascompleted, as indicated by TLC. The solvent was evaporated underreduced pressure to give the residue. The residue was purified byflash column chromatography on silica gel using n-hexane/EtOAc(20:1) to give the product 2a (1.785 g, 93%).

References:

Mishra, Kanchan;Basavegowda, Nagaraj;Lee, Yong Rok [Applied Catalysis A: General,2015,vol. 506,p. 180 - 187]