Synthetic applications of a three-component Mannich reaction. Total synthesis of IL-6 inhibitor (+)-madindoline A and B
作者:Tomoyasu Hirose、Toshiaki Sunazuka、Daisuke Yamamoto、Eisuke Kaji、Satoshi Ōmura
DOI:10.1016/j.tetlet.2006.07.083
日期:2006.9
A three-component Mannich reaction of 3a-hydroxyfuroindoline (3), β-ketoester and formaldehyde was employed as an efficient and concise method to synthesize naturally-occurring (+)-Madindolines A (1) and B (2). The scope and limitations of the Mannich reaction with 3 are described.
3a-羟基呋喃二氢吲哚(3),β-酮酸酯和甲醛的三组分曼尼希反应被用作合成天然存在的(+)-Madindolines A(1)和B(2)的有效而简洁的方法。描述了曼尼希反应与3的范围和局限性。