1) ITCZ
不饱和烯酮
3) 2-aryl-cycloalkenone
2-芳基-2,3-不饱和环烯酮
1.
A few of 2-aryl-cycloalkenones were synthesized from 2,3-cycloalkenones by the method of nucleophilic opening 2,3-epoxycycloketones that are equivalents of 2-ketovinyl cations.
通过ArM对环氧烷酮(2,3-epoxycycloketone)的亲核开环反应合成了一系列2-芳基-2,3-不饱和环烯酮,并用IR,MS,NMR(1H,13C)等对其结构进行了测定。
4) alkenone unsaturation
长链烯酮不饱和度
1.
The alkenone unsaturation is an important index of paleotemperature.
长链烯酮不饱和度温标是古温度研究的重要替代指标。
5) unsaturated oxazolone
不饱和唑酮
6) unsaturated germylene
不饱和锗烯
1.
This paper respectively takes the abstraction reactions from oxirane and thiirane by silylidene and germylidene as model reactions to investigate the reaction mechanisms of these abstraction reactions, which aims at revealing the reaction mechanisms of the abstraction reactions from oxirane and thiirane by unsaturated silylene and unsaturated germylene compounds.
本文主要以亚烷基硅烯和亚烷基锗烯与环氧乙烷及环硫乙烷的抽提氧和硫的反应为理论研究模型,系统地研究了它们之间所发生的反应机理,旨在探讨不饱和硅烯及不饱和锗烯与环氧乙烷和环硫乙烷反应的机制。
补充资料:醋酸妊娠烯醇酮 醋酸妊娠双烯醇酮
分子式:C23H32O3
分子量:356.51
CAS号:979-02-2
性质:白色结晶性粉末,无异嗅、无气味,在空气中稳定,易溶于乙醇、甲醇,不溶于水。
制备方法:可用薯蓣皂素经开环、乙酰化、氧化、水解、消除数步反应制得。
用途:可的松醋酸酯、氢化可的松、己酸孕酮的中间体。
分子量:356.51
CAS号:979-02-2
性质:白色结晶性粉末,无异嗅、无气味,在空气中稳定,易溶于乙醇、甲醇,不溶于水。
制备方法:可用薯蓣皂素经开环、乙酰化、氧化、水解、消除数步反应制得。
用途:可的松醋酸酯、氢化可的松、己酸孕酮的中间体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条