1) γ-oxo-α,β-unsaturated esters
γ-氧代-α,β-不饱和酯
1.
The dissertation studied the regioseletive addition of several nucleophiles toγ-oxo-α,β-unsaturated esters.
γ-氧代-α,β-不饱和酯是一类多官能团的缺电子烯烃,本论文研究了几类亲核试剂对它的区域选择性加成反应。
2) α,β-unsaturated-γ-keto-lactone
α,β-不饱和-γ-缩酮内酯
3) α-halo-α,β-unsaturated esters
α-卤代-α,β-不饱和酯
4) α,β-unsaturated cyanoester
α,β-不饱和氰代酯
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：饱和
①在一定温度和压力下，溶液所含溶质的量达到最大限度，不能再溶解。②泛指事物在某个范围内达到最高限度：目前市场上洗衣机的销售已接近～。
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