1-(3-Amino-3-methyl-butyl)-1,3-dihydro-benzimidazol-2-one → 8-{2-[1,1-dimethyl-3-(2-oxo-2,3-dihydro-benzimidazol-1-yl)-propylamino]-1-hydroxy-ethyl}-6-hydroxy-4H-benzo[1,4]oxazin-3-one

Participants

Reaction Steps

The target compound is obtained according to general method 2 from 357 mg (1 mmol) 6-benzyloxy-8-(2-ethoxy-1,2-dihydroxy-ethyl)-4H-benzo[1,4]oxazin-3-one and 219 mg (1 mmol) 1-(3-amino-3-methyl-butyl)-1,3-dihydro-benzimidazol-2-one. Yield: 187 mg (44%); mass spectroscopy: [M+H]+=427.

Provenance & Evidence