Table 2.

Purity data for final DKP macroarray after cleavage

Entry	R1	R2	Purity (%)a	Entry	R1	R2	Purity (%)a
10a	A	a	82	10m	B	e	66
10b	A	b	90	10n	B	f	82
10c	A	c	86	10o	B	g	81
10d	A	d	84	10pb	B	h	82
10e	A	e	83	10q	C	a	80
10f	A	f	90	10r	C	b	80
10g	A	g	80	10s	C	c	70
10hb	A	h	88	10t	C	d	58
10i	B	a	85	10u	C	e	53
10j	B	b	74	10v	C	f	80
10k	B	c	73	10w	C	g	91
10l	B	d	65	10xb	C	h	81

^aBased on integration of HPLC spectra with UV detection at 280 nm; Error = ± 2%. For products where the diastereomeric products could be resolved by HPLC, their ratios ranged from 2 : 1 to 5 : 1.

^bMS data indicated that the side chain of l-Asp(OtBu) was deprotected and the methyl ester was formed during methanolysis.