1) hydroxypropyl
羟丙基
1.
In hydroxypropylation reaction, m (Ⅰ)∶ m (propylene oxide)=1 00∶1 25;in sulfation reaction, m (oligo hydroxypropyl glucomannuronate)∶ m (chlorosulfonic acid)=1 0∶2 5.
通过正交实验优化出双酯化条件 :羟丙基化 :m(低聚KGM醛酸 )∶m(环氧丙烷 ) =1 0 0∶1 2 5 ;硫酸酯化 :m(低聚KGM醛酸羟丙酯 )∶m(氯磺酸 ) =1 0∶2 5 ,分别恒温 30℃、6 8℃ ,搅拌反应 3h ,产品低聚KGM醛酸双酯钠对低聚KGM醛酸收率 76 4 % ,相对分子质量 2 0 0 0～ 4 0 0 0 ,结构经IR、1HNMR分析 ,按低分子肝素质量标准药检及药理实验 ,确证是一种新型类肝素药物。
2.
Hydroxypropyl-chitosan nanospheres with the particle size of 100~300 nm were formed when hydroxypropyl-chitosan water solution reacts with sodium polyphosphate based on ion gel method.
46的羟丙基壳聚糖(HCS)。
2) hydroxypropylation
羟丙基化
1.
The influence of hydroxypropylation on pasting properties of starches from normal corn hybrids;
羟丙基化反应对普通玉米杂交种淀粉糊化性质的影响
2.
Results:The modification by hydroxypropylation remarkably decreases the en- thalpy,onset temperature,top temperature,conclusion temperature of all the native starches from normal corn hybrids,de- creases by 29.
结果表明:羟丙基化改性显著降低了所有普通玉米杂交种淀粉的热焓值、起始糊化温度、峰值糊化温度和终止糊化温度,平均降幅分别为29。
3.
Results showed that pasting temperature, enthalpy and peak time of all starches decreased, and peak viscosity of the three starches increased after hydroxypropylation and esterification.
采用了实验室方法提取了高直链、糯性和普通玉米杂交种的淀粉,并分别进行了羟丙基化和磷酸酯化反应。
3) hydroxyacetone
[hai'drɔksi'æsitəun]
羟基丙酮
1.
The catalytic oxidation of hydroxyacetone waste liquid obtained by fast pyrolysis of biomass to sodium pyruvate were studied.
以Pd-Bi/C为催化剂、空气为氧化剂的条件下,对催化氧化羟基丙酮水溶液制备丙酮酸钠的工艺进行了研究。
2.
The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.
以一氯丙酮、甲酸钠和甲醇为原料经酯化与醇解两步反应合成羟基丙酮 ,研究了反应条件对相转移催化酯化以及醇解反应蒸馏过程的影响。
3.
The catalytic oxidation of hydroxyacetone waste liquid obtained by fast pyrolysis of biomass to sodium pyruvate has been studied.
以Pd-Bi/C为催化剂、空气为氧化剂的条件下,催化氧化羟基丙酮水溶液制备丙酮酸钠的工艺进行了研究。
4) hydroxypropaldehyd
羟基丙醛
1.
Using the D072 resin as catalyst,the reaction temperature was low and the conversion of acrolein was high due to the strong acidivity of catalyst,but the selectivity to 3-hydroxypropaldehyde was low.
结果表明,D072型强酸性树脂因其酸性强,催化丙烯醛水合反应时存在着反应温度低、转化率高等特点,但产物选择性较低;在所选两种不同反应方式中,间歇式反应需时较长,且容易控制丙烯醛分子在催化剂表面的停留时间,丙烯醛的转化率及产物3-羟基丙醛的选择性最高可达到60。
5) hydroxypropynyl
羟丙炔基
补充资料：(3-羟丙基)三甲基氯化铵-2-羟基巴豆酸酯
CAS：13052-11-4
分子式：C10H20NO3·Cl
分子质量：237.72
中文名称：(3-羟丙基)三甲基氯化铵-2-羟基巴豆酸酯
[(2-羟巴豆酰氧)丙基]三甲基氯化铵
英文名称：Ammonium, (3-hydroxypropyl)trimethyl-, chloride, 2-hydroxycrotonate
2-Hydroxy-3-methacryloyloxypropyltrimethyl-ammonium chloride
(3-Hydroxypropyl)trimethylammonium chloride 2-hydroxycrotonate
分子式：C10H20NO3·Cl
分子质量：237.72
中文名称：(3-羟丙基)三甲基氯化铵-2-羟基巴豆酸酯
[(2-羟巴豆酰氧)丙基]三甲基氯化铵
英文名称：Ammonium, (3-hydroxypropyl)trimethyl-, chloride, 2-hydroxycrotonate
2-Hydroxy-3-methacryloyloxypropyltrimethyl-ammonium chloride
(3-Hydroxypropyl)trimethylammonium chloride 2-hydroxycrotonate
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