: P 1633 (OTTOKEMI) Pentylmagnesium bromide solution , 2.0 M in diethyl ether Cas 693-25-4 - used in chemical research can be used in the preparation of:Alkanes via Ni or Cu-catalyzed cross-coupling reaction with alkyl fluorides.Hydroxypiperidinones via the addition-cyclization-deprotection process of aldimines.