6-(4-Tolyl)hept-1-ene (I) and 6-(2-oxo-4-methylcyclohex-3-en-1-yl)hept-1-ene (II), monocyclic norsesquiterpenes from aerial parts of South African Senecio digitalifolius, have been synthesized using ultrasonic waves and tandem phenylation reduction.
南非数字叶千里光的空中部分提取出6-(4-Tolyl)hept-1-ene (
I) 和6-(2-oxo-4-methylcyclohex-3-en-1-yl)hept-1-ene (
II),这两种单环烷基萜化合物已经通过超声波和串
联苯基还原法合成。