• 文献检索
  • 文档翻译
  • 深度研究
  • 学术资讯
  • Suppr Zotero 插件Zotero 插件
  • 邀请有礼
  • 套餐&价格
  • 历史记录
应用&插件
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
定价
高级版会员购买积分包购买API积分包
服务
文献检索文档翻译深度研究API 文档MCP 服务
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利:CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2026

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验

细胞色素P-450催化的简单前手性和手性脂肪族烯烃的不对称环氧化反应:物种依赖性及酶诱导对环氧乙烷对映选择性形成的影响

Cytochrome P-450-catalyzed asymmetric epoxidation of simple prochiral and chiral aliphatic alkenes: species dependence and effect of enzyme induction on enantioselective oxirane formation.

作者信息

Wistuba D, Nowotny H P, Träger O, Schurig V

机构信息

Institut für Organische Chemie der Universität, Tübingen, Federal Republic of Germany.

出版信息

Chirality. 1989;1(2):127-36. doi: 10.1002/chir.530010206.

DOI:10.1002/chir.530010206
PMID:2642041
Abstract

The enantioselectivity of the in vitro conversion of simple prochiral and chiral aliphatic alkenes into oxiranes by liver microsomes of untreated or induced (phenobarbital) rats, of untreated or induced (phenobarbital, benzo[a] pyrene) mice, and of humans was determined by complexation gas chromatography. The enantiomeric excess (ee) of the epoxides extends from 0 (trimethyloxirane) to 50% (ethyloxirane). The configuration (R or S) of the enantiomers formed in excess is consistent for homologous oxiranes but is species dependent and in some cases influenced by enzyme induction. Enantioselectivity differences of aliphatic alkene epoxidation by human liver microsomes of four individuals are negligible.

摘要

采用络合气相色谱法测定了未处理或经诱导(苯巴比妥)的大鼠、未处理或经诱导(苯巴比妥、苯并[a]芘)的小鼠以及人类的肝微粒体将简单前手性和手性脂肪族烯烃体外转化为环氧乙烷的对映选择性。环氧化物的对映体过量(ee)范围从0(三甲基环氧乙烷)到50%(乙基环氧乙烷)。过量形成的对映体的构型(R或S)对于同系环氧乙烷是一致的,但取决于物种,并且在某些情况下受酶诱导的影响。四个人类肝微粒体对脂肪族烯烃环氧化的对映选择性差异可忽略不计。

相似文献

1
Cytochrome P-450-catalyzed asymmetric epoxidation of simple prochiral and chiral aliphatic alkenes: species dependence and effect of enzyme induction on enantioselective oxirane formation.细胞色素P-450催化的简单前手性和手性脂肪族烯烃的不对称环氧化反应:物种依赖性及酶诱导对环氧乙烷对映选择性形成的影响
Chirality. 1989;1(2):127-36. doi: 10.1002/chir.530010206.
2
A unique deuterium/proton exchange during cytochrome P-450 mediated expoxidation of propene and butene.细胞色素P-450介导的丙烯和丁烯环氧化过程中独特的氘/质子交换。
Prog Clin Biol Res. 1988;274:509-24.
3
The type I binding of some aliphatic epoxides to cytochrome P-450 and their inhibition of mono-oxygenase activity.一些脂肪族环氧化物与细胞色素P-450的I型结合及其对单加氧酶活性的抑制作用。
Ital J Biochem. 1983 Mar-Apr;32(2):111-23.
4
The rabbit liver microsomal biotransformation of 1,1-dialkylethylenes: enantioface selection of epoxidation and enantioselectivity of epoxide hydrolysis.1,1 - 二烷基乙烯在兔肝微粒体中的生物转化:环氧化反应的对映面选择性及环氧化物水解反应的对映选择性
Chirality. 1994;6(3):207-12. doi: 10.1002/chir.530060308.
5
Stereochemical aspects of vinylcyclohexene bioactivation in rodent hepatic microsomes and purified human cytochrome P450 enzyme systems.啮齿动物肝微粒体和纯化的人细胞色素P450酶系统中乙烯基环己烯生物活化的立体化学方面。
Drug Metab Dispos. 2001 Feb;29(2):179-84.
6
Cytochrome P-450-catalyzed stereoselective epoxidation at the K region of benz[a]anthracene and benzo[a]pyrene.
Arch Biochem Biophys. 1985 Aug 1;240(2):546-52. doi: 10.1016/0003-9861(85)90061-x.
7
Enantio- and regioselectivity in the epoxide-hydrolase-catalyzed ring opening of simple aliphatic oxiranes: Part I: Monoalkylsubstituted oxiranes.简单脂肪族环氧乙烷在环氧水解酶催化下开环反应中的对映选择性和区域选择性:第一部分:单烷基取代的环氧乙烷
Chirality. 1992;4(3):178-84. doi: 10.1002/chir.530040309.
8
Stereochemical aspects in the 4-vinylcyclohexene biotransformation with rat liver microsomes and purified cytochrome P450s: diepoxide formation and hydrolysis.大鼠肝微粒体和纯化细胞色素P450对4-乙烯基环己烯生物转化的立体化学方面:二环氧物的形成与水解
Chem Res Toxicol. 2003 Jan;16(1):56-65. doi: 10.1021/tx025573z.
9
Stereoselective formations of K-region and non-K-region epoxides in the metabolism of chrysene by rat liver microsomal cytochrome P-450 isozymes.大鼠肝脏微粒体细胞色素P-450同工酶在屈代谢过程中K区域和非K区域环氧化物的立体选择性形成。
Mol Pharmacol. 1987 Jul;32(1):73-80.
10
Enantio- and regioselectivity in the epoxide-hydrolase-catalyzed ring opening of aliphatic oxiranes: Part II: Dialkyl- and trialkylsubstituted oxiranes.脂肪族环氧乙烷在环氧水解酶催化下开环反应中的对映选择性和区域选择性:第二部分:二烷基和三烷基取代的环氧乙烷
Chirality. 1992;4(3):185-92. doi: 10.1002/chir.530040310.

引用本文的文献

1
Amylenes do not lead to bacterial mutagenicity in contrast to structurally related epoxides.与结构相关的环氧化物不同,戊烯不会导致细菌致突变性。
Biomed Res Int. 2014;2014:592434. doi: 10.1155/2014/592434. Epub 2014 Jan 6.
2
Epoxidation of olefins by cytochrome P450: evidence from site-specific mutagenesis for hydroperoxo-iron as an electrophilic oxidant.细胞色素P450催化烯烃环氧化反应:基于位点特异性诱变的证据表明氢过氧化铁作为亲电氧化剂。
Proc Natl Acad Sci U S A. 1998 Mar 31;95(7):3555-60. doi: 10.1073/pnas.95.7.3555.
3
A note on individual differences in the urinary excretion of optical enantiomers of styrene metabolites and of styrene-derived mercapturic acids in humans.
关于人体中苯乙烯代谢物光学对映体及苯乙烯衍生的硫醚氨酸尿排泄的个体差异说明。
Arch Toxicol. 1995;69(5):300-5. doi: 10.1007/s002040050174.