Synthesis of Macrocarbocycles Utilizing Intramolecular 1,3-Dipolar Cycloaddition of Nitrile Oxides. Synthesis of (±)-Muscone
作者:Morio Asaoka、Masayoshi Abe、Hisashi Takei
DOI:10.1246/bcsj.58.2145
日期:1985.7
cycloaddition of nitrile oxides generated from ω-nitro-1-alkenes gave isoxazoline-fused macrocarbocycles (ring size 12, 14, 15, and 16) in fair to good yields. The 15-membered derivative was converted into (±)-muscone.
intramolecular 1,3-dipolar cycloaddition of the nitrile oxides derived from ω-nitroalkyl acrylates gave isoxazoline fused macrocycliclactones. The direction of 1,3-dipolar cycloaddition is strongly affected by the ring size of forming lactones. Utilizing this method, total synthesis of (±)-A26771B was achieved.