A stereochemical investigation of the cyclisation ofD-glucose-6[(R)-16O,17O,18O]phosphate and adenosine-5′[(R)-16O,17O,18O]phosphate

Abstract
D-Glucose-6[(R)-16O,17O,18O] phosphate and adenosine-5′[(R)-16O,17O,18O] phosphate were synthesised and converted (by treatment with diphenyl phosphorochloridate, followed by potassium t-butoxide) into the cyclic 4,6-phosphate and 3′5′-phosphate diesters respectively with retention of configuration at phosphorus; the absolute configuration of D-glucose-6[16O,17O,18O]phosphate and adenosine-5′[16O,17O,18O]phosphate of unknown chirality at phosphorus can now be determined by 31P n.m.r. spectroscopy.

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