dibenzyl ((2S,3R,4R,5S)-3,4-dihydroxy-1,6-diphenylhexane-2,5-diyl)dicarbamate → (2S,3R,4R,5S)-2,5-diamino-3,4-dihydroxy-1,6-diphenylhexane

Participants

Reaction Steps

A solution of 10.432 g (18.36 mmol) of compound 6 in 500 ml THF and 500 ml ethyl alcohol was stirred with 1.043 g of 10% palladium on carbon at room 15 temperature. for 18 h over 1 atmosphere hydrogen pressure. The mixture was filtered through celite pad and the filtrate was concentrated to provide 6.06 g (yield) of compound 7. The oil was triturated with diethyl ether and the white solid was filtered and washed to provide pure 7 (M. P. 92-94).

Provenance & Evidence