Table 1. Recovery in individual steps of synthesis, shown as molar percent.

	Recovery (%)
	Step	Overall
2′-deoxyadenosine-5′-monophosphate	100	100
N1-(2-aminoethyl)-2′-deoxyadenosine-5′-monophosphate	50.9	50.9
N6-(2-aminoethyl)-2′-deoxyadenosine-5′-monophosphate	25.0	12.7
N6-[trifluoroacetyl-(2-aminoethyl)]-2′-deoxyadenosine-5′-monophosphate	63.7	8.1
N6-[trifluoroacetyl-(2-aminoethyl)]-2′-deoxyadenosine-5′-triphosphate	63.8	5.2
N6-(2-aminoethyl)-2′-deoxyadenosine-5′-triphosphate	69.4	3.6
N6-[4-azidobenzoyl-(2-aminoethyl)]-2′-deoxyadenosine-5′-triphosphate	56.2	2.0
N6-[4-[3-(trifluoromethyl)-diazirin-3-yl]benzoyl-(2-aminoethyl)]-2′-deoxyadenosine-5′-triphosphate	86.0	3.1