α,β-不饱和糖酯,α,β-unsaturated sugar ester,音标,读音,翻译,英文例句,英语词典

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1) α,β-unsaturated sugar ester 点击朗读

α,β-不饱和糖酯

2) α,β-unsaturated esters 点击朗读

α,β-不饱和酯

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。

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。

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3) α,β-unsaturated ketones and esters 点击朗读

α,β-不饱和酮、酯

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。

4) α,β-unsaturated ester 点击朗读

α,β-不饱和酯

The reaction results in the direct carbon-carbon double bond formation from silyl ethers to give the corresponding α,β-unsaturated esters.

该反应使硅醚直接形成碳碳双键而得到α,β-不饱和酯。

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5) α,β unsaturated esters (nitriles) 点击朗读

α,β-不饱和酯(腈)

6) β-fluoro-α,β-unsaturated ester 点击朗读

β-氟-α,β-不饱和酯

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。

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补充资料：5α-雄甾-1α,3β,17β-三醇-17-醋酸酯

分子式：暂无
分子量：暂无
CAS号：暂无

性质：暂无

制备方法：暂无

用途：暂无

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

α,β-不饱和-γ-缩酮内酯 α,β-不饱和羧酸硫酯 α,β-不饱和δ-内酯 γ-氧代-α,β-不饱和酯 β-三氟甲基-α-甲基-α,β-不饱和酸酯全氟烷基-α-氟-α,β-不饱和酸酯 α,β-不饱和酮 α,β-不饱和醛/酮 α,β-不饱和酮(醛)

α-卤代-α,β-不饱和酯 α,β-不饱和氰代酯

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	您的位置：首页 -> 词典 -> α,β-不饱和糖酯 1) α,β-unsaturated sugar ester α,β-不饱和糖酯 2) 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。更多例句>> 3) 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。 4) α,β-unsaturated ester α,β-不饱和酯 1. The reaction results in the direct carbon-carbon double bond formation from silyl ethers to give the corresponding α,β-unsaturated esters. 该反应使硅醚直接形成碳碳双键而得到α,β-不饱和酯。更多例句>> 5) α,β unsaturated esters (nitriles) α,β-不饱和酯(腈) 6) 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。更多例句>> 补充资料：5α-雄甾-1α,3β,17β-三醇-17-醋酸酯分子式：暂无分子量：暂无 CAS号：暂无性质：暂无制备方法：暂无用途：暂无说明：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 α,β-不饱和-γ-缩酮内酯 α,β-不饱和羧酸硫酯 α,β-不饱和δ-内酯 γ-氧代-α,β-不饱和酯 β-三氟甲基-α-甲基-α,β-不饱和酸酯全氟烷基-α-氟-α,β-不饱和酸酯 α,β-不饱和酮 α,β-不饱和醛/酮 α,β-不饱和酮(醛)

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