HCID 23514989, compound → HCID 20644298, compound

Participants

Reaction Steps

9-{(2R,3R,4R,5R)-3,4-bis(1,1,2,2-tetramethyl-1silapropoxy)-5-[(1,1,2,2-tetramethyl-1-silapropoxy)methyl]oxolan-2-yl}-2-[1-(1-methylethyl)pyrazol-4yl]purine-6-ylamine (16) Compound 16 was prepared in the manner of compound 11 substituting 4-iodo-(1-methylethyl)pyrazole for 4-iodo-benzylpyrazole to afford compound 16: 1H NMR(CDCl3) 0.00 (s, 3H, CH3), 0.01 (s, 3H, CH3), 0.04 (s, 3H, CH3), 0.07 (s, 3H, CH3), 0.11 (s, 3H, CH3), 0.14 (s, 3 H, CH3), 0.78 (s, 9H, t-bu), 0.83 (s, 9H, t-bu), 0.91 (s, 9H, t-bu), 1.55(d, 6H, C(CH3)2), 3.8 (d, 1H), 4.05 (d, 1H), 4.08–4.15(m, 1H), 4.30–4.32 (m, 1H), 4.44–4.56 (m, 2H), 5.55(bs, 1H, D2O exchangeable), 6.05 (s, 1H), 8.05 (s, 1H), 8.10 (s, 1H), 8.2 (s, 1H)

Provenance & Evidence