1) perfluoroalkylatedα-fluoro-α,β-unsatturaed ester
全氟烷基-α-氟-α,β-不饱和酸酯
2) β-trifluoromethyl-α-methyl-α,β-unsaturated ester
β-三氟甲基-α-甲基-α,β-不饱和酸酯
3) β-fluoro-α,β-unsaturated ester
β-氟-α,β-不饱和酯
1.
β-fluoro-α,β-unsaturated esters were obtained through "one-pot" reaction under solvent-free conditions.
研究了在无溶剂条件下羰基化合物、溴氟乙酸乙酯和三苯基膦三组分的"一锅法"反应,制备了一系列的β-氟-α,β-不饱和酯。
4) α,β-unsaturated thioesters
α,β-不饱和羧酸硫酯
1.
Terminal alkynes 1 react with Cp2Zr(H)Cl (Cp = η 5-C5H5) and CO to give acylzirconocene chloride derivatives 2, which are trapped with arylsulfenyl chloride to afford (E)- α,β-unsaturated thioesters 3.
由端炔和Cp2Zr(H)Cl(Cp=η5-C5H5)及CO反应,得到α,β-不饱和羰基锆化合物,进而与芳基硫 氯反应,合成了α,β-不饱和羧酸硫酯,产率中等至良好。
5) α,β-unsaturated esters
α,β-不饱和酯
1.
A reducing system,NaBH4-CuCl/CH3OH,was applied for the selective reduction of carbon-carbon double bond of α,β-unsaturated esters with high selectivity.
用NaBH4-CuCl/CH3OH体系高选择地还原了α,β-不饱和酯的碳碳双键,考察了还原剂NaBH4和CuCl的用量、溶剂、不同的卤化物等因素对反应的影响。
2.
Cyclopentenone derivatives and α,β-unsaturated esters are two sorts of extraordinary important compounds.
环戊烯酮衍生物和α,β-不饱和酯是两类非常重要的化合物。
6) α,β-unsaturated ketones and esters
α,β-不饱和酮、酯
1.
Treatment of the polymer-supported α-phenylseleno ketones and esters prepared from polymer-supported selenium bromide with ketone and ester enolates with hydrogen peroxide afford α,β-unsaturated ketones and esters in good yields and high purities (>95%) without further purification.
酮或酯在-78℃经二异丙基胺基锂(LDA)作用形成相应的烯醇式氧负离子,烯醇式氧负离子再与聚苯乙烯负载硒溴反应得到聚苯乙烯负载α-硒基酮或酯;常温下将该负载型的α-硒基酮或酯用过量的30%双氧水处理制得相应的α,β-不饱和酮、酯。
补充资料：α,α,α-三氟间苯甲酚
分子式：C7H5F3O
分子量：162.1111
CAS号：98-17-9
性质：淡黄色油状液体，易溶于乙醇、苯、乙醚等有机溶剂，难溶于水，有刺激性。沸 点178～179℃，折光率1.4580，相对密度1.333，闪点73℃。
制备方法：暂无
用途：农药、药物和染料中间体。
分子量：162.1111
CAS号：98-17-9
性质：淡黄色油状液体，易溶于乙醇、苯、乙醚等有机溶剂，难溶于水，有刺激性。沸 点178～179℃，折光率1.4580，相对密度1.333，闪点73℃。
制备方法：暂无
用途：农药、药物和染料中间体。
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