Table 2.
Conditions and yields: see Table 1, footnotes a/b.
Ester hydrolysis carried out with aq. NaHCO3.
Oxamidation conducted at 40 °C.
Conditions and yields: see Table 1, footnotes a/b.
Ester hydrolysis carried out with aq. NaHCO3.
Oxamidation conducted at 40 °C.