New Route to 1-(5-Imidazolyl)ribofuranoid Glycals from Ribofuranosyl Chloride and 5-Lithio-imidazole.
作者:Shinya HARUSAWA、Masayo KAWABATA、Yoshihiko MURAI、Ryuji YONEDA、Takushi KURIHARA
DOI:10.1248/cpb.43.152
日期:——
Reaction of ribofuranosyl chlorides with 2 eq of 5-lithio-imidazole afforded 1-(5-imidazolyl)ribofuranoid glycals in good yields. Hydrolysis of the glycal (3) with hydrochloric acid led to 4-(5-hydroxymethylfuran-2-yl)imidazole (7), which contains both hydrophilic and hydrophobic aromatic heterocycles.
将核呋喃基氯化物与 2 等量的 5-硫代咪唑反应,可以得到 1-(5-咪唑基)核呋喃糖醛,产率很高。用盐酸水解甘醛(3)可得到 4-(5-羟甲基呋喃-2-基)咪唑(7),其中含有亲水性和疏水性芳香杂环。