2,2'-CARBONYL-BIS(3,5-DIOXO-4-METHYL-1,2,4-OXADIAZOLIDINE) : II- REAGENT FOR THE DIRECT ESTERIFICATION OF CARBOXYLIC ACIDS.
Reaction of carboxylic acids including N-protected α-amino acids with 2,2'-carbonyl bis(3,5-dioxo-4-methyl-1,2,4-oxadiazolidine) and alcohols affords the corresponding esters under mild conditions.
2,2'-CARBONYL-BIS(3,5-DIOXO-4-METHYL-1,2,4-OXADIAZOLIDINE) : I- A NEW REAGENT FOR THE PREPARATION OF CARBAMATES AND AMIDES, APPLICATION TO THE SYNTHESIS OF DIPEPTIDES.
2,2'-Carbonyl bis (3,5-dioxo-4-methyl-1,2,4-oxadiazolidine) was prepared and used for the synthesis of various carbamates and dipeptides.
Denarie, Michel,Grenouillat, Denis,Malfroot, Thierry,Senet, Jean-Pierre,Sennyey, Gerard,Wolf, Patrick
p. 5823 - 5826
(2007/10/02)
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