SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-β-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THEM
PROBLEM TO BE SOLVED: To provide novel compounds useful for, e.g., producing a thionucleoside.SOLUTION: A compound is represented by the general formula [1F]. (In the formula, Rrepresents a hydroxyl-protecting group; Rrepresents a hydroxyl-protecting group; Rrepresents a hydrogen atom, a halogen atom, or the like; Rrepresents a hydrogen atom, a halogen atom, or the like; Rrepresents a halogen atom, a hydroxyl group, or the like; Rand Rtogether represent =O or the like; alternatively, Rand Rtogether represent a sulfur atom; and Rrepresents a hydroxyl group.)SELECTED DRAWING: None【課題】チオヌクレオシドの製造などに有用な新規化合物を提供すること。【解決手段】一般式[1F](式中、R1は、ヒドロキシル保護基を示し;R2は、ヒドロキシル保護基を示し;R3Cは、水素原子、ハロゲン原子等を示し;R3Dは水素原子、ハロゲン原子等をを示し;R4は、ハロゲン原子、ヒドロキシル基等を示し、R5およびR6は、一緒になって、=O等を示し、または、R4およびR5は、一緒になって、硫黄原子を示し;R6は、ヒドロキシル基を示す)で表される化合物。【選択図】なし