Design and Synthesis of Two Oxazine Derivatives Using Several Strategies
Figure 3
Synthesis of N-[1,5-dimethyl-4-(1H-naphtho[1,2-e]oxazin-2-yl)-2-phenyl-1,2-dihydro-pyrazol-3-ylidene]-2,3-dimethoxystrychnidin-10-ylidene-ethane-1,2-diamine (6). Reaction of 1,5-dimethyl-4-(1H-naphtho[1,2,e]oxazin-2-(3H)-yl)-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (3) with N1-(2,3-dimethoxystrychnidin-10-yliden)-ethane-1,2-diamine (7) to form the compound 6. iv: boric acid/rt.
