2-Amino-2-methyl-1-propanol → 2,4-dichloro-N-(1-hydroxy-2-methylpropan-2-yl)-6-methoxybenzamide

Temperatur

0 °C

A suspension of 2,4-dichloro-6-methoxybenzaldehyde (3 g, 15 mmol) and N-bromosuccinimide (3.6 g, 20 mmol) in carbon tetrachloride (30 ml) was illuminated with a 150 W flood lamp under nitrogen with vigorous stirring on a steam bath for seven minutes. The cloudy mixture was cooled to 0° C., diluted with methylene chloride (30 ml) and treated dropwise with a solution of 2-amino-2-methylpropanol (3 ml, 30 mmol) in methylene chloride (30 ml). The ice bath was removed and the mixture was stirred at 20° C. for twenty hours.

1. customwas illuminated with a 150 W flood lamp under nitrogen
2. customThe ice bath was removed
3. stirringthe mixture was stirred at 20° C. for twenty hours

ORD-Eintrag

ord-60f727eb8f9e4081a2a39f815e6bceb2

Quelldatensatz

uspto-grants-1987_12

DOI

10.6084/m9.figshare.5104873.v1

Patentnummer

US04710513