脱烷基

综述了代谢除草剂的细菌、哺乳动物和植物细胞色素P450酶系，概述了细胞色素P450酶系参与除草剂代谢的作用方式：脱烷基化作用、环甲基化羟基化作用和芳环的羟基化作用等。

The bacterial , mammalian and plant cytochrome P450s involved in metabolism of herbicides are reviewed . The action modes of cytochrome P450s on herbicides including dealkylation , ring methyl hydroxylation and aromatic ring hydroxylation etc are summarized .

用吸附色谱法提取和纯化的人足月胎盘脂氧合酶（HTPLO），能介导外源化合物的脱烷基、环氧化、磺化氧化等形式的协同氧化反应；

Human term placental lipoxygenase ( HTPLO ) isolated and purified by affinity chromatography can mediate the co oxidation of xenobiotics . The major reactions include dealkylation , epoxidation , sulfoxidation , etc.

新型C9&C（10）芳烃脱烷基催化剂的研究

Dealkylation of C ,─ C_ ( 10 ) Aromatic Hydrocarbons

C9～C（10）芳烃脱烷基制二甲苯的探索研究

Study on Preparation of xylene from c_9 ~ c_ ( 10 ) aromatics

分子筛催化C9芳烃脱烷基的研究

Study on C_9 aromatics hydrodealkylation over zeolite catalysts

丝光沸石分子筛催化剂上C9芳烃脱烷基的研究

Hydrodealkylation of C_9 Aromatics on Mordenite Zeolite

临氢脱烷基废Cr2O3/Al2O3催化剂再生处理的研究

Study on regenerative treatment of spent cr_2o_3 / ai_2o_3 catalyst for hydrodealkylation

CrOx/SiO2催化剂对C（10+）芳烃加氢脱烷基反应的催化性能

Catalytic Performance of CrO_x / SiO_2 Catalyst for Hydrodealkylation of C_ ( 10 + ) Heavy Aromatics

综述了裂解汽油重质馏分增产BTX芳烃的技术进展以及与此相关的加氢脱烷基和非芳烃加氢裂解技术。

Technology Progress of producing BTX aromatics from heavy fraction of pyrolysis gasoline and correlative hydrodealkylation and non-aromatics hydrocracking techniques were reviewed in this paper .

发生脱烷基侧链作用；

Some side alkyl chains could be removed in aquathermolysis .

烷基芳烃催化加氢脱烷基催化剂研究进展

Latest advances in the catalysts for hydrodealkylation of alkyl aromatics

用于高选择性芳烃脱烷基的催化剂及反应工艺的研究

Study of selective catalysts for dealkylation of aromatics

热法临氢脱烷基过程

Thermal hydrodealkylation process Perco HF alkylation

本研究论文对重芳烃催化加氢脱烷基催化剂的稳定性和失活进行了详细研究。

The stability and deactivation of catalysts for heavy aromatics lightening were studied in this paper .

加氢脱烷基催化剂失活原因的分析

Reason Analysis of Hydrodealkylation Catalyst Deactivation

综述了烷基芳烃催化脱烷基催化剂和反应机理的最新进展。

Latest advances in the catalyst systems and the reaction mechanism for hydrodealkylation of alkyl aromatics were reviewed .

800kt/a乙烯改扩建中甲苯脱烷基制苯的探讨

Discussions on the process for manufacturing benzene by dealkylation of toluene in the 800kt / a ethylene revamp project

重点阐述了催化加氢脱烷基和烷基转移反应特点和有关催化剂的研究以及国内外主要工艺发展现状。

The catalysts and processes for conversion of heavy aromatics to light one were reviewed , especially those for catalytic hydrodealkylation and transalkylation .

藻样在整个反应中起到供氢的作用，整个反应涉及到开环反应、脱烷基侧链反应及缩合反应等。

The algae sample played a role in hydrogen donating and the reactions involved opening-ring reaction , alkylaromatic side chain reaction and condensation reaction , etc.

色谱分析的结果说明，第Ⅰ峰为脱烷基反应的活性中心，第Ⅱ峰为歧化和异构化的活性中心。

The results of chromatographic analysis show that the first peak is referred to the active sites of dealkylation , and the second peak , disproportionation and isomerization .

重芳烃是生产轻芳烃的重要资源，重芳烃轻质化涉及加氢脱烷基、歧化和烷基转移等反应。

The heavy aromatics are important feedstocks to produce light aromatics . The conversion of heavy aromatics to light aromatics includes many reactions such as hydrodealkylation , disproportionation and transalkylation .

本文采用吡啶中毒脉冲色诏技术，在440～500℃范围的反应条件下，考察了Ni&Y分子筛的甲苯脱烷基反应表面活性中心及其催化作用。

Active Sites and its Catalysis of toluene dealkylation reaction onNi-Y zeolite catalyst was investigated in the temperature range of 440 ~ 500 ℃ by the pyridine poisoned-pulse gas chromatography technique .

综述了国内外芳烃联合装置中甲苯歧化与烷基转移工艺、甲苯择形歧化工艺和重芳烃脱烷基工艺近年来技术进展情况，并分析了各种技术的优势与不足之处。

The technological advances of toluene disproportionation and transalkylation process ( TDTA ), shape selective disproportionation of toluene ( TSD ) and dealkylation process of heavy aromatics , domestic and abroad , were reviewed .

6-羟基-2,3-二氢-4-喹啉酮是一种重要的医药中间体，介绍了以4-甲氧基苯胺为起始原料制备6-羟基-2,3-二氢-4-喹啉酮的方法：加成或缩合、环合、脱烷基。

6-Hydroxy-2,3-dihydro-4-quinolone is an important drug intermediate . The preparation of 6-hydroxy-2,3-dihydro-4-quinolone from p-anisidine as raw material are introduced in the paper , including three steps such as addition or condensation , cyclization and dealkylation .

研究了钠基蒙脱土和烷基季铵盐改性的有机蒙脱土对聚氯乙烯/蒙脱土复合材料的结构、加工热稳定性、光学性能、力学性能和结构流变性能的影响。

The effects of sodium montmorillonite and alkyl quaternary ammonium modified montmorillonite on the structure , processing thermal stability , optical clarity , mechanical properties and rheological behavior of the composites were studied .

用XRD、TG、FT-IR、N2等温吸附-脱附和酸催化烷基化探针反应等表征了其结构和性能。

The structure of the samples was characterized by XRD , TG , FT-IR , N2 adsorption-desorption isotherms and acid-catalyzed alkylation probe reaction . The results show that the samples synthesized have a narrowly pore distribution and super-gallery height , a large BET specific area .

双负载双金属催化剂催化芳香卤化物水相脱卤的研究烷基卤脱卤酶作用机制的研究新进展

A Novel Bimetallic Catalyst Consisting Two Carriers for Dehalogenation of Aromatic Halides in Aqueous System New Advance in Study of Hydrolytic Dehalogenation Catalyzed by Haloalkane Dehalogenase