反应详情

Use the same procedure substituting ethyl ethylphosphonochloridate with the appropriate aralkyl ethylphosphonochloridate or phenyl ethyl-phosphonochloridate and when necessary substituting N-(S)-phenyllactoyl) β-alanine ethyl ester with N-(S)-phenyllactoyl) β-alanine benzyl ester, N-(S)-phenyllactoyl) p-aminobenzoic acid ethyl ester or N-(S)-phenyllactoyl) p-aminobenzoic acid benzyl ester and synthesize compounds 3, 6, 8, 11, 13, 16, 18, 21, 23, 31 or 33.