tert-Butyl isocyanate → 1-[2-Amino-6-(2,3-dimethylphenyl)pyrido[2,3-d]pyrimidin-7-yl]-3-tert-butylurea
Reaction equation
[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][CH:5]=[CH:4][C:3]=1[C:9]1[C:19]([NH2:20])=[N:18][C:12]2[N:13]=[C:14]([NH2:17])[N:15]=[CH:16][C:11]=2[CH:10]=1.[C:21]([N:25]=[C:26]=[O:27])([CH3:24])([CH3:23])[CH3:22]>>[NH2:17][C:14]1[N:15]=[CH:16][C:11]2[CH:10]=[C:9]([C:3]3[CH:4]=[CH:5][CH:6]=[C:7]([CH3:8])[C:2]=3[CH3:1])[C:19]([NH:20][C:26]([NH:25][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:27])=[N:18][C:12]=2[N:13]=1Participants
3
Procedure
The title compound was prepared from 0.5007 g of 6-(2,3-dimethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 92 and 0.23 mL tert-butyl isocyanate according to Example 2. The product was purified by MPLC eluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1); mp 326°-330° C., MS(CI).
Workup
- customThe product was purified by MPLC
- washeluting with a gradient of CHCl3 :EtOAc (2:1) to CHCl3 :EtOAc (1:1)