An optically pure macrolide containing 1,3-dioxolane, gem-dimethylcyclopropyl, and hydrazide fragments was synthesized from (+)-3-carene via [1+1]-condensation of the product from sequential ozonolysis—reduction and Tishchenko disproportionation of (3S,4S)-[(3R,4R)-4-isopropyl-3-methyl-6-oxoheptyl]-4-isopropyl-3-methyl-6-oxoheptanoate with the hydrazide of L-(+)-tartaric acid acetonide.
一种光学纯的大环内酯,含有
1,3-二氧戊环、宝石-二甲基环丙基和酰
肼片段,由(+)-
3-蒈烯通过(3S,4S)-((3R,4R)-4-异丙基-3-甲基-6-氧代庚基)-4-异丙基-3-甲基-6-氧代
庚酸乙酰
肼与L-(+)-
酒石酸乙酰
肼的顺序
臭氧分解-还原和季申科歧化反应的产物通过[1+1]缩合合成。