The Synthesis and Reactions of Yomogi Alcohol. Conversion of the artemisyl skeleton to the santolinyl skeleton by a 1,2-shift of a vinyl group. Synthesis of santolinatriene
作者:Alan F. Thomas、Waltraud Pawlak née Bucher
DOI:10.1002/hlca.19710540711
日期:1971.11.1
6-dien-2-ol, 2) is described, and experiments directed towards its allylic rearrangement to artemisia alcohol detervatives have been carried out. Acidic reagents open the ring of yomogi alcohol epoxide (16) at with participation of the 6,7-double-bond, a shift of the vinyl group results to yield a compound with the santolinyl skeleton. The same reagents are without effect when this double bond reduced. Action
描述了代木醇(2,5,5,3-三甲基庚-3,6-二烯-2-醇,2)的合成,并且已经进行了针对其烯丙基重排为蒿类醇衍生物的实验。酸性试剂在6,7-双键的参与下打开yomogi醇环氧化物(16)的环,乙烯基的移位导致生成具有Santolinyl骨架的化合物。当该双键还原时,相同的试剂无效。在苯甲醛的存在下,通过酸催化载木醇环氧化物的开环反应制得的2,5-二甲基-4-乙烯基-2,二羟基-己-5-烯(28)的苯甲醛缩醛(41)的丁基锂的作用导致santolinatriene(42)。