Synthesis of a 1α-C-methyl analogue of 25-hydroxyvitamin D3: interaction with a mutant vitamin D receptor Arg274Leu
作者:Shinobu Honzawa、Naoyuki Takahashi、Atsushi Yamashita、Takayuki Sugiura、Masaaki Kurihara、Midori A. Arai、Shigeaki Kato、Atsushi Kittaka
DOI:10.1016/j.tet.2009.06.029
日期:2009.8
Vitamin D3 analogues have been developed for a mutant vitamin D receptor (VDR), Arg274Leu. The mutant VDR has a mutation at Arg274, which forms an important hydrogen bond with 1α-OH of 1α,25-dihydroxyvitamin D3 to anchor the ligand tightly in the VDR ligand binding pocket. Stereoselective synthesis of the A-ring part of the novel vitamin D analogue, 2α-(3-hydroxypropyl)-1α-methyl-25-hydroxyvitamin
已开发出维生素D 3类似物用于突变型维生素D受体(VDR)Arg274Leu。突变型VDR在Arg274处具有一个突变,该突变与1α,25-二羟基维生素D 3的1α-OH形成重要的氢键,从而将配体紧密地锚定在VDR配体结合袋中。从d-半乳糖立体合成了新型维生素D类似物2α-(3-羟丙基)-1α-甲基-25-羟基维生素D 3(4)的A环部分,并引入了以下关键步骤:甲基和烯丙基的手性结构单元。新的类似物4约为。活性是天然激素1α,25-二羟基维生素D 3(1的7.3倍))。