1-Bromopropane → HCID 67071015, compound

Participants

Reaction Steps

3 g of ((R)-5-Bromo-indan-2-yl)-carbamic acid tert-butyl ester (9.61 mmol) were dissolved in 20 ml of dimethylformamide and 0.442 g of sodium hydride (60% in mineral oil) (11.05 mmol) added. Stirring continued for 14 minutes before 1.3 g of propylbromide (10.57 mmol) were added. The reaction mixture was stirred at room temperature for 15 h and at 40° C. for 3 h. An additional equivalent of sodium hydride and 0.7 ml propylbromide were added followed by stirring for 2 h at 40° C. and 15 h at room temperature. The solvent was evaporated under reduced pressure, the residue treated with water and extracted three times with diethyl ether. The combined organic layers were washed once with water, dried over magnesium sulfate, filtered, and the solvent evaporated under reduced pressure to yield 3.77 g of crude product which was used in the subsequent reaction without further purification.

Provenance & Evidence