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- methoxy triphenol 甲氧基三酚
- Methoxy 1 groups are split off with boiling HI and converted to ?? 甲氧基用沸腾的碘氢酸分解，使甲氧基脱落并转为甲基碘。
- An equatorial methoxy group was completely inert to the Grignard reagent. 位于平伏键的甲氧基，则没有这种可能，因而不发生反应。
- R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo. R”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。
- 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。
- The electric effects of methoxy in ortho-position differ from that in meso-position. 甲氧基处于氨基的邻位的电子效应和处于间位时不同。
- Methoxy polyethylene glycol(MPEG), which grafted with cellulose diacetate(CDA), was applied as a modifier. 采用聚乙二醇单甲醚(MPEG)作为改性剂,与二醋酸纤维素(CDA)进行接枝反应。
- In conclusion, the methoxy in benzene is the very key factor of affinity for the D2 receptor. 推断苯环上R6位甲氧基对苯酰胺类化合物与多巴胺D2受体亲合性起关键性作用。
- This article deals with the synthesis of 3 methoxy 4 hydromandelic acid by condensation of guaiacol and glyoxalic acid in akaline condition. 本文研究了在碱性条件下,由愈创木酚和乙醛酸合成3-甲氧基-4-羟基扁桃酸的反应。
- This article uses the single methoxy polyethylene glycol (mPEG) to ox blood Cu/Zn-SOD modified， and to compare the SOD nature and modified. 本文采用单甲氧基聚乙二醇（mPEG）对牛血Cu/Zn-SOD进行了化学修饰，并对修饰前后SOD的性质进行了比较。
- 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。
- The effect of the solvent on bromination of 6 methoxy 2 acyl naphthalene and 2 methoxyl naphthalene with 1,3 dibromo 5,5 dimethyl hydantoin was studied. 考察了在不同极性溶剂中以 1 ,3 二溴 5,5 二甲基海因作溴化剂对溴化 6 甲氧基 2 酰基萘反应的影响。
- The extractable quantity is related to the time ofhydrolysis and thd ester-value of the linseed gum and the content of methoxy is relatedto the temperature of the extracting. 该胶可用水、碱、酸提取，提取量与水解温度和时间有关，胶的酯化度和甲氧基含量与提取温度有关。
- In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction. 自从1987年C.;W
- Introduce analytical method of 3 - methoxy - 1 - propanol and raw material 3 - chlorine - 1 - propanol and solvent methanol.Exact correction factor is given by detection. 介绍了3-甲氧基-1-丙醇,原料3-氯-1-丙醇及溶剂甲醇体系的分析方法。
- The results showed the purity of sodium paeonol sulfonate was 99.4804% and the structure of sodium paeonol sulfonate was 2- methoxy -4-hydroxy-5- aceryl sodium benzenesulfonate. 实验结果显示，丹皮酚磺酸钠的纯度为99.;4804%25，化学结构为2-甲氧基-4羟基-5-乙酰基苯磺酸钠。
- Now we produce 5 groups of series organic chemicals, which includes fluoro aniline, chloro aniline, phenol, kenzonitrile, acetophenone, Trifluoro methoxy, and other intermediates of pharmaceutical, pesticide and dyestuft. 现拥有氟苯胺、氯苯胺、苯酚、苯腈、苯乙酮、三氟甲氧基五大类系列有机合成化工及医药、农药染料中间体产品。
- Menaquinone was prepared by catalytical hydrogenation, methoxy protection, bromization, Grignard reaction, and released protection by the reaction of oxidation. At last, vitamin K_(2(20)) been synthesized. 本文以2-甲基萘醌、香叶醇以及乙酸香叶酯为起始原料,经过催化加氢、甲氧基保护、溴代、格氏反应以及氧化脱保护等反应,最终合成了维生素K_(2(20))。
- The bromination of 6 methoxy 2 propionylnaphthalene with 1,3 dibromo 5,5 dimethylhydantoin proceeded smoothly, quickly, and gave 5 bromo 6 methoxy 2 propionylnaphthalene with 98.59% yield in alcohol. 室温下;6-甲氧基-2-丙酰基萘和1;3-二溴-5;5-二甲基海因的溴化反应在醇溶剂中;反应速度快、转化率高;生成5-溴-6-甲氧基-2-丙酰基萘的收率高(98.;59
- Methods:Retrospective analysis of 99m Tc methoxy isobutylisonitrile(MIBI) myocardial perfusion single photon emission computed tomography (SPECT) in 18 cases with MI and normal coronary artery angiogram. 方法 :回顾总结了 18例冠状动脉造影正常的心肌梗塞患者 99m锝 -甲氧基异丁基异腈 (99m Tc- MIBI)静息心肌断层显像。
