The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。
The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated.
考察了固体碱催化剂上2—丙基甲醚合成反应的工艺条件。
Under the above-mentioned conditions, the conversion ratio for PO reached 99% and the selectivity for 1-methoxy-2-propanol reached 98%.
在此条件下反应，环氧丙烷转化率可达99%，2—羟丙基甲醚的选择性可达98%。
Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
以对甲氧基苯甲醛、三氯甲烷为原料，相转移催化羰基加成法合成了对甲氧基苯乙醇酸。
A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下，通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
This article introduces a new process of synthesizing vanillin from 2-methoxy-4-methyl benzenol, which is abstracted from pine creosote oil, via one-step oxygen method.
本文以松树杂酚油为原料提取4 甲基愈创木酚，然后利用4 甲基愈创木酚一步氧化合成香兰素。
The reaction mechanism of 8-dimethyl-7-methoxy-5-ethenyl-nonanenitrile oxide cycloaddition has been studied with the molecular orbital AM1 method and transition state theory.
用过渡态理论和AM 1方法，对8-二甲基- 7-甲氧基- 5 -烯-壬腈氧化物分子内环加成反应机理进行了研究。
Results A new benzophenone was isolated and identified as 2-methoxy-3,4-methylenedioxy-benzophenone (I), along with a known compound 4-hydroxy-2,6-dimethoxy-benzophenone (II).
结果分离鉴定了2个二苯酮化合物，其结构分别为2 甲氧基- 3， 4 -亚甲二氧基-二苯酮（I）， 4 羟基-2， 6 -二甲氧基-二苯酮（II）。
The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.
采用酶学动力学方法研究2-羟基-4-甲氧基苯甲醛（HMB）对酪氨酸酶的单酚酶和二酚酶活力的抑制效应。
In this paper the pK values of both commonly commercial UV-absorbers-2- hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dihydroxy-benzophenone (UV-0) at ground and excited states have been determined.
本工作对两种常见的商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮（UV-9）和2.4-二羟基二苯甲酮（UV-0）在基态和激发态时的离解常数进行了测定。
As the quality of life improved, the need of Low methoxy pectin will also increase dramatically.
随着人们生活质量的提高，低甲氧基果胶的需求也将剧增。
The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.
报道了用GC／MS方法及衍生化技术研究6甲氧基正丁苯酞（MBP）在大鼠肝微粒体中的代谢转化结果。
Methoxy groups are abundant on the lignin structure, giving lignin many reactive sites and promoting its water solubility.
木质素结构中存在大量的甲氧基，使木质素中存在许多反应活性部位，并提高它的水溶性。
SV static mixer was selected to use in ortho- nitrochlorobenzene methoxy reaction.
选择SV型静态混合器应用于邻硝基氯苯甲氧基化反应中。
Pharmaceuticals which has methoxy can degrade to yield methanol if the headspace oven temperature is too high.
含甲氧基的药品在较高顶空温度下降解产生甲醇。
The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
利用相转移催化法合成香料2-甲基-3 甲氧基吡嗪，并对其反应条件进行探讨，找到较佳的反应条件。
We mainly study stable molecular geometries and atomic charge distributing of 5-methoxy indole 5-methyl indole and 5-chlorin indole.
着重研究5 -甲氧基吲哚、5 -甲基吲哚和5 -氯吲哚的稳定几何构型和分子中各原子上的电荷分布。
R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."
是取化基，如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
Abstract: the synthesis and anti-breast cancer activity of 7-methoxy flavone and its derivatives were studied.
摘要：本文对7 -甲氧基黄酮及其衍生物的合成与抗乳腺癌细胞的活性进行了研究。
Therefore, 7-methoxy flavone and its derivatives can be promising antitumor lead compounds.
因此，7 -甲氧基黄酮及衍生物很有可能成为新型结构的抗癌先导化合物。
Analyzed the molecular structure of 4-Hydroxy-3-Methoxy Cinnamylic Acid, and studied the second-order nonlinear optical properties.
分析了4 羟基3 甲氧基肉桂酸的分子结构特点，研究了其二阶非线性光学性质和固体样品的透光性能。
Many kinds of synthetic methods for imazamox are introduced. The industrialization of post-methoxy methylation-bromination will be the most possible in above mentioned methods.
介绍了多种合成方法，其中以“后甲氧甲基化-溴化法”最有希望工业化。
The invention discloses a method for separating and preparing 2-hydroxyl-1-methoxy aporphine from lotus leaves.
本发明公开了一种自荷叶中分离制备2-羟基-1-甲氧基阿朴啡的方法。
The pectin in most plants is the high methoxyl pectin, so the low-methoxy pectin has to be prepared by reducing the degree of esterification.
自然界大多数植物中的果胶为高甲氧基果胶，需通过降低其酯化度制备低甲氧基果胶。
The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.
以邻甲氧基苯酚与对氯*为原料，经四步反应合成6-（2-甲氧苯氧基）-1，4-二氢-4-氧代-3-喹啉羧酸乙酯。经抗鸡球虫实验证明具有抗球虫效果。
The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.
以邻甲氧基苯酚与对氯*为原料，经四步反应合成6-（2-甲氧苯氧基）-1，4-二氢-4-氧代-3-喹啉羧酸乙酯。经抗鸡球虫实验证明具有抗球虫效果。
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