Design and Synthesis of Novel Isoxazole Tethered Quinone-Amino Acid Hybrids

Table 1

The yields and purity of the novel isoxazole-phenyl alanine and isoxazole tethered quinone-phenyl alanine hybrids.

Isoxazole amino acid	Yield (%)	Quinone isoxazole amino acid	Yield (%)	Purity^a
	71		85	97
	58		72	92
	80		95	96
	83		89	94

Combined purity of hydroquinone and quinone by LC-MS analysis.