Di-Boc-[(1S,4R)-4-(2,6-dichloro-purin-9-yl)-cyclopent-2-enyl]-amine → (1S,2R,3S,5R)-3-(di-tert-butoxycarbonylamino)-5-(2,6-dichloro-purin-9-yl)-cyclopentane-1,2-diol

Participants

Reaction Steps

The title compound is prepared from di-Boc-[(1S,4R)-4-(2,6-dichloro-purin-9-yl)-cyclopent-2-enyl]-amine using a procedure analogous to that use to prepare (1R,2S,3R,5S)-3-(6-{[bis-(4-methoxy-phenyl)-methyl]-amino}-2-chloro-purin-9-yl)-5-(di-Boc-amino)-cyclopentane-1,2-diol. 1H nmr (CDCl3, 400 MHz); 8.35(s, 1H), 4.80(m, 1H), 4.70(m, 1H), 4.50(m, 1H), 3.85(m, 1H), 3.75(m, 1H), 3.10(m, 1H), 2.75(m, 1H), 2.55(m, 1H), 1.55(s, 18H), MS (ES+) m/e 504 (MH+).

Provenance & Evidence