2-Methoxyethanol → [2-(Methoxy)ethyl]oxy-9-(tetrahydro-2H-pyran-2-yl)-9H-purin-6-amine

Participants

Reaction Conditions

Reaction Steps

Potassium tert.-butoxide (46.5 g, 475 mmol) was added to 2-methoxyethanol (200 mL) in 20 min at room temperature, then 2-chloro-9-(tetrahydro-2H-pyran-2-yl)-9H-purin-6-amine (30 g) was added and the resulted mixture was heated at 80-90° C. for about 3 h. Evaporation of most of the solvent, to the residue was added 100 ml of water, stirred for 1 h at 0° C., filtered and dried. This gave product (30 g, 87%) that was almost identical to that from Intermediate 119, method A.

Provenance & Evidence