Lj. Jennings et Mj. Parratt, SYNTHESIS AND ANTIVIRAL ACTIVITY OF 9-(PHOSPHONOALKYNYLOXY)PURINES - NOVEL ACYCLONUCLEOTIDES, Bioorganic & medicinal chemistry letters, 3(12), 1993, pp. 2611-2614
9-(3-Phosphonoprop-2-ynyloxy)adenine (5) and -guanine (6) were synthes
ised and found to have anti-herpesvirus activity. Attempted Arbusov re
action of a chloroalkyne (17) with triethyl phosphite unexpectedly gav
e the (Z)-2-chloroalkenylphosphonate (19).