1) trans-2-butenal diethyl acetal
巴豆醛缩二乙醇
1.
The synthesis of trans-2-butenal diethyl acetal from trans-2-butenal with ethanol by using methanesulfonic acid or methylsulfonate as catalysts was investigated.
以甲磺酸和甲磺酸盐为催化剂,由巴豆醛和乙醇合成了巴豆醛缩二乙醇。
2) glycolaldehyde diethyl acetal
乙醇醛缩二乙醇
3) ethylidene ether
乙缩醛;乙醛缩二乙醇;醛缩醇;缩醛
4) butyraldehyde glycol acetal
丁醛乙二醇缩醛
1.
Progress on research of catalyst for synthesis of butyraldehyde glycol acetal;
合成丁醛乙二醇缩醛的催化剂研究进展
2.
Using self-made H3PW6Mo6O40 as catalyst,butyraldehyde glycol acetal was prepared by butyraldehyde and glycol.
用自制的磷钨钼杂多酸作催化剂,以丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
3.
4% of feed stocks,volume of cyclohexane as the water-carrying agent is 8 mL,and the reaction time is 45 min,yield of butyraldehyde glycol acetal can reach 77.
以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
5) furfural glycol acetal
糠醛乙二醇缩醛
1.
Synthesis of furfural glycol acetal using H_3PW_(12)O_(40)/SiO_2 as catalyst;
H_3PW_(12)O_(40)/SiO_2催化合成糠醛乙二醇缩醛的研究
2.
It was found that experimentlly yield of furfural glycol acetal was 93.
糠醛乙二醇缩醛的收率为93。
6) n-butyraldehyde glycol acetal
丁醛乙二醇缩醛
1.
Catalytic synthesis of n-butyraldehyde glycol acetal with tin tetrachioride supported on silica gel;
硅胶负载四氯化锡催化合成丁醛乙二醇缩醛
2.
Catalytic synthesis of n-butyraldehyde glycol acetal with SO_4~(2-)/TiO_2-La_2O_3;
SO_4~(2-)/TiO_2-La_2O_3催化合成丁醛乙二醇缩醛
3.
n-butyraldehyde glycol acetal was catalytically synthesized from n-butyraldehyde and glycol as raw materials in the presence of phosphotungstic acid pur supported on active carbon as catalyst.
用活性炭负载磷钨酸催化合成丁醛乙二醇缩醛,研究了催化剂的用量,反应温度,反应时间,醛醇物质的量之比及带水剂等因素对反应的影响。
补充资料：巴豆醛
分子式C4H6O分子量70.09，CH3CH=CHCHO,学名β-甲基丙烯醛，有顺式和反式两种异构体。属于不饱和醛。是无色可燃性液体，易挥发，有刺激性和催泪作用。在空气中或阳光中放置时逐渐变淡黄色。熔点-76.5℃、沸点104.1℃。密度（16/4℃）0.858g/cm3。稍溶于水，溶于乙醇、乙醚、苯、甲苯和汽油等。化学性质活动。在空气中可被氧化成巴豆酸，用异丙醇铝还原时生成巴豆醇。主要用于生产正丁醇、正丁醛，用作橡胶硫化促进剂、酒精变性剂、皮毛鞣剂和烟道气的警告剂等。可由两个分子的乙醛在稀酸作用下发生缩合制得。
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