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- A one-pot process catalyzed by Mg-Al composite is used to synthesize 1,2-propylene glycol diacetate(PGDA) by inserting propylene oxide (PO) into acetic anhydride(AA) directly. 用Mg-Al基復合物催化環(huán)氧丙烷(PO)一步嵌入乙酸酐(AA)合成了1,2-丙二醇二乙酸酯(PGDA),經(jīng)紅外光譜、電噴霧質(zhì)譜鑒定得到了預期產(chǎn)物。
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT與pH值的關(guān)系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化學(xué)品乙酸酐、麻黃堿等.
- Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker. 向盛有10?蟠姿狒?的燒杯內加入5g二水合物結晶。
- The kinetics of esterification of linalool with acetic anhydride was studied. 研究了芳樟醇與乙酸酐酯化反應動(dòng)力學(xué)。
- This may be readily converted to the anhydrous salt by reaction with a readily hydrolysed material, such as acetic anhydride. 這和易水解的物質(zhì)如醋酸酐反應可以很容易轉變?yōu)闊o(wú)水鹽。
- Acetylene has become increasingly prominent as a raw material for a whole series of organic compounds, among them acetaldehyde, acetic acid, and acetic anhydride. 對于整個(gè)系列的有機化合物，包括乙醛、乙酸、醋酸酐，乙炔已經(jīng)成為越來(lái)越重要的原材料。
- Sulfonated EPDM ionomers(S-EPDM) were prepared with concentrated sulfuric acid and acetic anhydride. 用濃硫酸和醋酸酐與三元乙丙橡膠 (EPDM)反應制備了磺化三元乙丙橡膠離聚物 (S -EPDM)。
- The experiment used acetic oxide to dispose of the pollen in honey of Sesaaum Indcum and Fagopyrum esculentum to distinguish the quality of honey. 本文以芝麻蜜、蕎麥蜜為材料 ,以醋酸酐分解法為手段 ,探討了利用蜂蜜中的花粉來(lái)鑒別蜂蜜質(zhì)量?jì)?yōu)劣的問(wèn)題。
- By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent. 本文報道合成抗潰瘍藥丙谷胺的改進(jìn)工藝。
- An alcohol evaporator for production of acetic acid and acetic anhydride exploded during operation. 一種用于生產(chǎn)醋酸和醋酸酐的酒精蒸發(fā)釜在服役中發(fā)生了爆炸。
- Abstract： The kinetics of esterification of linalool with acetic anhydride was studied. 摘 要： 研究了芳樟醇與乙酸酐酯化反應動(dòng)力學(xué)。
- New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied. 實(shí)驗研究了以氯化芐為原料合成藥物中間體苯基丙酮的新工藝。
- Acetyl-isolongifolene was prepared by C-acetylation reaction with isolongifolene and acetic anhydride. 以異長(cháng)葉烯和醋酐為原料，經(jīng)乙?；磻铣梢阴；愰L(cháng)葉烯。
- In October 1988, the relevant government departments issued a document on the control of exports of acetic oxide, ether and chloroform, which can be used for synthesis of heroin and other narcotic drugs. 中國有關(guān)部門(mén)于1988年10月發(fā)文，對醋酸酐、乙醚、三氯甲烷三類(lèi)可供制造海洛因等毒品的化學(xué)品實(shí)行出口管制。
- DME is a preferred substitute for chlorofluorocarbons and can derive a number of products with high value such as dimethyl carbonate,acetic acid,acetic anhydride and formaldehyde. 二甲醚是氯氟烴的替代品,用它可以開(kāi)發(fā)一系列高附加值產(chǎn)品,例如碳酸二甲酯、醋酸、醋酐、甲醛等;
- In October 1988,the relevant government departments issued a document on the control of exports of acetic oxide,ether and chloroform,which can be used for synthesis of heroin and other narcotic drugs. 中國有關(guān)部門(mén)于1988年10月發(fā)文，對醋酸酐、乙醚、三氯甲烷三類(lèi)可供制造海洛因等毒品的化學(xué)品實(shí)行出口管制。
- In this paper, 1,1-Diacetate was synthesized from furfural and acetic anhydride by acidic bentonite friendly to environment as catalyst with excellent yield(87.6%). 摘要利用對環(huán)境友好的酸性皂土做催化劑，糠醛與乙酸酐發(fā)生縮合反應合成了1;1-二乙酸酯，產(chǎn)率高達86.;6%25。
- In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent. 本文以1?氨基蒽醌和乙酐為原料，乙酸作溶劑，合成了1?乙酰氨基蒽醌。
- By analysis to the old flow of alcoholysis liquid waste processing.In our work. a new flow was set up.The product of acetic oxide can be obtained by the technology of rectification and carbonylation. 對現有醇解廢液處理的工藝進(jìn)行了分析并提出了一種新的醇解廢液處理工藝,通過(guò)萃取精餾將醋酸甲酯提純,再利用羰基化合成技術(shù)生產(chǎn)醋酐產(chǎn)品。
