9-(2-Cyclohexenyl)-2-ethoxy-9H-adenine → HCID 12777842, compound

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Reaction Steps

The procedure of Example 8 was repeated except that the 9-(2-cyclohexenyl)-2-ethoxy-9H-adenine used therein was replaced by an equivalent weight of 9-(2-cyclohexenyl)-2-isobutoxy-9H-adenine. There was produced the title product in 60% yield; m.p. 123°-134° C. IR(neat): 3320, 3160, 2940, 1635, 1590, 1395, 1375 cm-1. UV: λmaxEtOH 253 nm(ε 7000), 269 nm(ε 11000). NMR(CDCl3): 1.05(6H, d, J=6.5 Hz), 1.90(11H, m), 4.05(2H, d, J=6.5 Hz), 4.24(1H, m), 6.14(2H, s), 7.55(1H, s).

Provenance & Evidence