7,8-Dihydro-4<i>H</i>-cyclohepta[<i>b</i>]furan (thiophene) skeleton from furyl (thiophene)-derived tertiary allylic alcohols
作者:Jozef Kula、Maciej Balawejder、Radoslaw Bonikowski、Magdalena Sikora
DOI:10.1002/jhet.192
日期:2009.11
2,6‐Dimethyl‐7,8‐dihydro‐4H‐cyclohepta[b]furan and 2,6‐dimethyl‐7,8‐dihydro‐4H‐cyclohepta[b]thiophene were prepared by direct cyclization of 3‐methyl‐5‐(5‐methylfuran‐2‐yl)‐pent‐1‐en‐3‐ol and 3‐methyl‐5‐(5‐methyltiophen‐2‐yl)‐pent‐1‐en‐3‐ol, respectively. J. Heterocyclic Chem., (2009).
2,6-二甲基- 7,8-二氢-4- ħ -环庚[ b ]呋喃和2,6-二甲基-7,8-二氢-4- ħ -环庚[ b ]噻吩通过3-甲基的直接环化来制备分别和3-甲基-5-(5- methyltiophen -2-基) -戊-1-烯-3-醇,-5-(5-甲基呋喃-2-基) -烯-3-醇-戊-1- 。J.杂环化学,(2009)。