Reaktion #3522

ord-50520c4996e84d08a9b75967501e0b2b

Reaktionsgleichung

CN1CCN(CCCNc2ncc3cc(-c4c(Cl)cccc4Cl)c(N)nc3n2)CC1
6-(2,6-Dichlorophenyl)-N2 -[3-(4-methyl-piperazin-1-yl)-propyl]-pyrido[2,3-d]pyrimidine-2,7-diamine
O=C=NCc1ccccc1
benzyl isocyanate
CN1CCN(CCCNc2ncc3cc(-c4c(Cl)cccc4Cl)c(NC(=O)NCc4ccccc4)nc3n2)CC1
1-benzyl-3-{6-(2,6-dichlorophenyl)-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-pyrido[2,3-d]pyrimidin-7-yl}-urea
Ausbeute 63.4%

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

6-(2,6-Dichlorophenyl)-N2 -[3-(4-methyl-piperazin-1-yl)-propyl]-pyrido[2,3-d]pyrimidine-2,7-diamine (1.08 g) from Example 36 was reacted with 0.298 g of benzyl isocyanate according to the general procedure of Example 37 to give 0.822 g of 1-benzyl-3-{6-(2,6-dichlorophenyl)-2-[3-(4-methyl-piperazin-1-yl)-propylamino]-pyrido[2,3-d]pyrimidin-7-yl}-urea, ESMS (20/80 MeOH/CH3CN+0.1% AcOH): M+ +H=579; mp 144°-148.5° C.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05733913uspto-grants-1998_03