Reaktion #68790

Reaktionsgleichung

(S)-1-{4-[3-(4-ethoxy-phenoxy)-azetidin-1-yl]-phenyl}-ethylamine

1-methyl-cyclobutanecarboxylic acid

DIPEA

TBTU

→

desired product

(S)-1-Methyl-cyclobutanecarboxylic acid (1-{4-[3-(4-ethoxy-phenoxy)-azetidin-1-yl]-phenyl}-ethyl)-amide

Lösungsmittel

DMF

Reaktionsbedingungen

Aufarbeitung

1. 1
   workup.STIRRINGstirring
2. 2
   workup.WAITis continued for 12 h at rt
3. 3
   SonstigeThe mixture is directly purified by HPLC

Vorschrift

To 0.011 g (0.10 mmol) 1-methyl-cyclobutanecarboxylic acid in 1 mL DMF are added 0.035 mL (0.20 mmol) DIPEA and 0.032 g (49.1 mmol) TBTU. The mixture is stirred for 15 min at rt. Subsequently 0.031 g (0.10 mmol) (S)-1-{4-[3-(4-ethoxy-phenoxy)-azetidin-1-yl]-phenyl}-ethylamine (X.1) are added and stirring is continued for 12 h at rt. The mixture is directly purified by HPLC to yield the desired product.

Quelle