Carbohydrate Research p. 267 - 269 (1991)
Update date:2022-08-03
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5-(D-arabino- tetrahydroxybutyl)-2- methyl-3-pyrroylhydrazine (1) was treated with phthalic anhydride (2) to give N-[5-(D-arabino-tetrahydroxybutyl)- 2-methyl-3-pyrroylRB- o-carboxybenzoylhydrazine (4) in 85% yield; its i.r. spectrum showed C=O, CO2H, and NH and OH bands. Boiling this compound with acetic anhydride for 1 h afforded N-[1-acetly-2-methyl-3-pyrroyl-5- (D-arabino-tetraacetoxybutyl)]- N-phthalimidoacetamide (4).
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