Reaktion #71443

Reaktionsgleichung

8-(2,6-difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester

6-(2,2,4-trimethyl-piperazin-1-ylmethyl)-pyridin-3-ylamine

NaHCO3

trimethyl aluminum

→

Title compound

8-(2,6-Difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid [6-(2,2,4-trimethyl-piperazin-1-ylmethyl)-pyridin-3-yl]-amide

Lösungsmittel

DCM

DCM MeOH

Reaktionsbedingungen

Aufarbeitung

1. 1
   SonstigeThe title compound was prepared in analogy to the procedures

Vorschrift

The title compound was prepared in analogy to the procedures described in Example 115 but using 8-(2,6-difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester (Step 124.1), 6-(2,2,4-trimethyl-piperazin-1-ylmethyl)-pyridin-3-ylamine (Step 114.1), 1.5 equiv of trimethyl aluminum, stirring the reaction mixture for 2 h at 80° C. and pouring it onto a saturated aqueous solution of NaHCO3 and DCM. Title compound: ESI-MS: 563.2 [M+H]+; tR=3.36 min (System 1); TLC: Rf=0.22 (DCM/MeOH/NH3aq, 94:5:1).

Quelle