3-Amino-1-propanol → [2-(3-Hydroxypropyl)amino-2-oxoethoxy]acetic acid

Beteiligte Stoffe

Reaktionsschritte

methanesulfonate by (a) reacting diglycolic anhydride and 3-aminopropanol to produce [2-(3-hydroxypropyl)amino-2-oxoethoxy]acetic acid, (b) heating to cyclize the latter to obtain 4-(3-hydroxypropyl)-3,5-dioxomorpholine, (c) esterifying the latter with methanesulfonyl chloride to produce 3-(3,5-dioxomorpholino)propyl methanesulfonate and (d) reacting the mesylate with 4-[bis(2-bromo-p-tolyl)methyl]piperidine.

Herkunft & Nachweise