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ChemicalBook CAS DataBase List N- (1- cyano cyclopentyl) pentanaMide
194984-24-2

N- (1- cyano cyclopentyl) pentanaMide synthesis

5synthesis methods
-

Yield:194984-24-2 100%

Reaction Conditions:

with triethylamine in toluene at 20 - 80;

Steps:

1.b

1-Amino-1-cyanocyclopentane (1.10 g) is dissolved in toluene (11 ml), triethytamine (1.5 mi) was added and valeroyl chloride (1.2 ml) was added to this solution dropwise, under cooling at 20°C. After 10-15 min the temperature was raised to 80°C and the mixture was stirred at that temperature for about 2 h. The reaction mixture was then cooled to room temperature and was extracted consecutively with water (5 ml), 2% hydrochloric acid (5 ml) and water (5 ml). The toluene solution was evaporated under vacuo to give N-(1-cyanocyclopentyl)pentanamide (1.94 g, 100%) as white powder. Reference: Bioorg. Med. Chem., 2007, 15, 7391.

References:

EP2194050,2010,A1 Location in patent:Page/Page column 10; 12