4-氯代乙酰乙酸乙酯,4-chloro-3-oxo-butanoic acid ethyl ester,音标,读音,翻译,英文例句,英语词典

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1) 4-chloro-3-oxo-butanoic acid ethyl ester 点击朗读

4-氯代乙酰乙酸乙酯

2) ethyl 4-chloro-3-oxobutanoate 点击朗读

4-氯乙酰乙酸乙酯

Asymmertric reduction of ethyl 4-chloro-3-oxobutanoate to ethyl (S)-4-chloro-3-hydroxybutanoate with Aureobasidium pullulans SW0202 cells as catalyst was performed in an aqueous/organic solvent biphasic system.

研究了水/有机溶剂两相体系中,出芽短梗霉SW0202细胞催化4-氯乙酰乙酸乙酯(COBE)不对称还原制备(S)-4-氯-3-羟基丁酸乙酯(CHBE)的过程。

AIM: To optimize the asymmetric reduction of ethyl 4-chloro-3-oxobutanoate (COBE) to (S)-ethyl 4-chloro-3-hydroxybutanoate [(S)-CHBE] directly catalyzed by yeast (Saccharomyces cerevisiae) fermentation broth.

目的优化酵母发酵液直接催化4-氯乙酰乙酸乙酯(COBE)合成(S)-4-氯-3-羟基-丁酸乙酯((S)-CHBE)的反应条件。

By cultivation and immobilization,several yeast strains were selected to catalyzethe asymmetric(reduction) of ethyl 4-chloro-3-oxobutanoate(COBE) to optically active ethyl 4-chloro-3-hydroxybutanoate ((CHBE)) in organic solvent.

将酵母细胞用海藻酸钙包埋后用于有机相催化不对称还原4-氯乙酰乙酸乙酯制备光学活性的4-氯-3-羟基丁酸乙酯,从中筛选得到具有较高立体选择性和还原能力的菌株假丝酵母SW0401,将此菌株的细胞固定化细胞作为研究对象,系统考察了固定化条件、固定化细胞大小、反应溶剂、初始底物浓度、辅助底物、固定化细胞热处理和抑制剂对还原反应的影响。

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3) ethyl 4-chloroacetoacetate 点击朗读

4-氯乙酰乙酸乙酯

Mole ratio of ethyl 4-chloroacetoacetate and isopropyl nitrite was 1∶1. 点击朗读

4-氯乙酰乙酸乙酯经亚硝酸异丙酯肟化、硫脲环合一步反应制得去甲氨噻肟酸乙酯。

The asymmetric reduction of ethyl 4-chloroacetoacetate(COBE) to ethyl(R)-(+)-4-chloro-3-hydroxybutyrate((R)-CHBE) by the recombinant cells in an aqueous phase was investigated.

将重组细胞用于催化4-氯乙酰乙酸乙酯不对称还原,合成出具有光学活性的(R)-(+)-4-氯-3-羟基丁酸乙酯。

Aureobasidium pullulans SW0202 with high enantioselectivity for asymmetric reduction of ethyl 4-chloroacetoacetate(COBE) to ethyl (S)-4-chloro-3-hydroxybutyrate (S-CHBE) was isolated.

通过筛选得到不对称还原4-氯乙酰乙酸乙酯(COBE)合成(S)-4-氯-3-羟基丁酸乙酯(S-CHBE)对映选择性好的微生物菌株出芽短梗霉菌(Aureobasidiumpullulans)SW0202。

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4) ethyl 4-chloro-3-oxobutanoate (COBE) 点击朗读

4-氯乙酰乙酸乙酯(COBE)

5) ethyl-4-chloroacetoacetate 点击朗读

4-氯乙酰基乙酸乙酯

6) Ethyl γ-chloroacetoacetate 点击朗读

γ-氯代乙酰乙酸乙酯

补充资料：4-氯代乙酰乙酸乙酯

CAS：638-07-3
分子式：C6H9ClO3
分子质量：164.59
沸点：103℃
熔点：-8-106℃

中文名称：4-氯代乙酰乙酸乙酯
γ-氯代乙酰乙酸乙酯
4-氯乙酰乙酸乙酯

英文名称：4-chloro-acetoacetic acid ethyl ester
4-chloro-3-oxo-butanoic acid ethyl ester
ethyl 4-chloro-3-oxobutanoate
ethyl 4-chloroacetoacetate

用途：医药中间体。

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

4-乙酰丁酸乙酯 4-氯苯乙酸乙酯甲酰氯乙酸乙酯氯甲酰乙酸乙酯乙基钠代乙酰乙酸乙酯 (Z)-4-氯-2-羟亚胺基乙酰乙酸乙酯氯代乙酸酯 4-三氟乙酰乙酸乙酯 4-溴乙酰乙酸乙酯

氯乙酸-4-乙酰氨基苯酯 4-氯乙酰乙酸甲酯 γ-氯代乙酰乙酸酯

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> 4-氯代乙酰乙酸乙酯 1) 4-chloro-3-oxo-butanoic acid ethyl ester 4-氯代乙酰乙酸乙酯 2) ethyl 4-chloro-3-oxobutanoate 4-氯乙酰乙酸乙酯 1. Asymmertric reduction of ethyl 4-chloro-3-oxobutanoate to ethyl (S)-4-chloro-3-hydroxybutanoate with Aureobasidium pullulans SW0202 cells as catalyst was performed in an aqueous/organic solvent biphasic system. 研究了水/有机溶剂两相体系中,出芽短梗霉SW0202细胞催化4-氯乙酰乙酸乙酯(COBE)不对称还原制备(S)-4-氯-3-羟基丁酸乙酯(CHBE)的过程。 2. AIM: To optimize the asymmetric reduction of ethyl 4-chloro-3-oxobutanoate (COBE) to (S)-ethyl 4-chloro-3-hydroxybutanoate [(S)-CHBE] directly catalyzed by yeast (Saccharomyces cerevisiae) fermentation broth. 目的优化酵母发酵液直接催化4-氯乙酰乙酸乙酯(COBE)合成(S)-4-氯-3-羟基-丁酸乙酯((S)-CHBE)的反应条件。 3. By cultivation and immobilization,several yeast strains were selected to catalyzethe asymmetric(reduction) of ethyl 4-chloro-3-oxobutanoate(COBE) to optically active ethyl 4-chloro-3-hydroxybutanoate ((CHBE)) in organic solvent. 将酵母细胞用海藻酸钙包埋后用于有机相催化不对称还原4-氯乙酰乙酸乙酯制备光学活性的4-氯-3-羟基丁酸乙酯,从中筛选得到具有较高立体选择性和还原能力的菌株假丝酵母SW0401,将此菌株的细胞固定化细胞作为研究对象,系统考察了固定化条件、固定化细胞大小、反应溶剂、初始底物浓度、辅助底物、固定化细胞热处理和抑制剂对还原反应的影响。更多例句>> 3) ethyl 4-chloroacetoacetate 4-氯乙酰乙酸乙酯 1. Mole ratio of ethyl 4-chloroacetoacetate and isopropyl nitrite was 1∶1. 4-氯乙酰乙酸乙酯经亚硝酸异丙酯肟化、硫脲环合一步反应制得去甲氨噻肟酸乙酯。 2. The asymmetric reduction of ethyl 4-chloroacetoacetate(COBE) to ethyl(R)-(+)-4-chloro-3-hydroxybutyrate((R)-CHBE) by the recombinant cells in an aqueous phase was investigated. 将重组细胞用于催化4-氯乙酰乙酸乙酯不对称还原,合成出具有光学活性的(R)-(+)-4-氯-3-羟基丁酸乙酯。 3. Aureobasidium pullulans SW0202 with high enantioselectivity for asymmetric reduction of ethyl 4-chloroacetoacetate(COBE) to ethyl (S)-4-chloro-3-hydroxybutyrate (S-CHBE) was isolated. 通过筛选得到不对称还原4-氯乙酰乙酸乙酯(COBE)合成(S)-4-氯-3-羟基丁酸乙酯(S-CHBE)对映选择性好的微生物菌株出芽短梗霉菌(Aureobasidiumpullulans)SW0202。更多例句>> 4) ethyl 4-chloro-3-oxobutanoate (COBE) 4-氯乙酰乙酸乙酯(COBE) 5) ethyl-4-chloroacetoacetate 4-氯乙酰基乙酸乙酯 6) Ethyl γ-chloroacetoacetate γ-氯代乙酰乙酸乙酯补充资料：4-氯代乙酰乙酸乙酯 CAS：638-07-3 分子式：C6H9ClO3 分子质量：164.59 沸点：103℃ 熔点：-8-106℃ 中文名称：4-氯代乙酰乙酸乙酯 γ-氯代乙酰乙酸乙酯 4-氯乙酰乙酸乙酯英文名称：4-chloro-acetoacetic acid ethyl ester 4-chloro-3-oxo-butanoic acid ethyl ester ethyl 4-chloro-3-oxobutanoate ethyl 4-chloroacetoacetate 用途：医药中间体。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 4-乙酰丁酸乙酯 4-氯苯乙酸乙酯甲酰氯乙酸乙酯氯甲酰乙酸乙酯乙基钠代乙酰乙酸乙酯 (Z)-4-氯-2-羟亚胺基乙酰乙酸乙酯氯代乙酸酯 4-三氟乙酰乙酸乙酯 4-溴乙酰乙酸乙酯

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