Abstract Several 2-(3-arylureido)-2-deoxyglycopyranoses ( 13–16 ) have been converted into the corresponding 1-aryl-(1,2-dideoxyglycofurano)[2,1- d ]imidazolidin-2-ones ( 17–20 ) by acid-catalyzed cyclization. Acetylation of these compounds gave 1-aryl-(per- O -acetyl-1,2-dideoxyglycofurano)[2,1- d ]imidazolidin-2-ones ( 21–24 ) or 3-acetyl-1-aryl-(per- O -acetyl-1,2-dideoxyglycofurano)[1,2- d ]imidazolidin-2-ones
摘要几种2-(3-芳基
脲基)-2-脱氧
甘露糖(13–16)已被转化为相应的1-芳基-(1,2-二脱氧糖
呋喃诺)[2,1-d]
咪唑啉-2--2-酮(17– 20)通过酸催化环化。这些化合物的乙酰化作用产生1-芳基-(全-O-乙酰基-1,2-二脱氧糖
呋喃诺)[2,1-d]
咪唑啉二-2-酮(21-24)或3-乙酰基-1-芳基-(每-取决于反应,O-乙酰基-1,2-二脱氧
葡糖呋喃酮] [1,2- d]
咪唑烷基-2-酮(25-28)。通过2-的反应,得到3-乙基-1-苯基-(1,2-二脱氧-d-
甘油-β-d-talo-七
呋喃基)[2,1-d]
咪唑啉-2--2-(33)。用苯基
异氰酸酯将脱氧-2-乙基
氨基-d-
甘油-β-d-talo-七
吡喃糖,并转化为
四乙酸酯34。