HCID 11749200, compound → HCID 454987, compound

Participants

Reaction Conditions

Reaction Steps

Benzoic acid 4(R)-(2-amino-6-chloro-purin-9-yl)-[1,3]dioxolan-2(R)-ylmethyl ester (2.4 kg, 6.3 moles) and methanol (6.24 L) were combined under inert atmosphere. 25% MeONa/MeOH (33.6 g) was added at room temperature and the reaction mixture was stirred for 16-24 hours. The reaction was monitored by HPLC for complete deprotection of the benzoate ester. The reaction mixture was cooled to 2° C. for 2 hours. The solids were collected by filtration and dried in vacuo to give the desired compound (1.2 kg, 71% yield).

Provenance & Evidence